System.ComponentModel.Composition.cs

// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
// ------------------------------------------------------------------------------
// Changes to this file must follow the https://aka.ms/api-review process.
// ------------------------------------------------------------------------------

namespace System.ComponentModel.Composition
{
    public static partial class AdaptationConstants
    {
        public const string AdapterContractName = "System.ComponentModel.Composition.AdapterContract";
        public const string AdapterFromContractMetadataName = "FromContract";
        public const string AdapterToContractMetadataName = "ToContract";
    }
    public static partial class AttributedModelServices
    {
        public static System.ComponentModel.Composition.Primitives.ComposablePart AddExportedValue<T>(this System.ComponentModel.Composition.Hosting.CompositionBatch batch, string contractName, T exportedValue) { throw null; }
        public static System.ComponentModel.Composition.Primitives.ComposablePart AddExportedValue<T>(this System.ComponentModel.Composition.Hosting.CompositionBatch batch, T exportedValue) { throw null; }
        public static System.ComponentModel.Composition.Primitives.ComposablePart AddPart(this System.ComponentModel.Composition.Hosting.CompositionBatch batch, object attributedPart) { throw null; }
        public static void ComposeExportedValue<T>(this System.ComponentModel.Composition.Hosting.CompositionContainer container, string contractName, T exportedValue) { }
        public static void ComposeExportedValue<T>(this System.ComponentModel.Composition.Hosting.CompositionContainer container, T exportedValue) { }
        public static void ComposeParts(this System.ComponentModel.Composition.Hosting.CompositionContainer container, params object[] attributedParts) { }
        public static System.ComponentModel.Composition.Primitives.ComposablePart CreatePart(System.ComponentModel.Composition.Primitives.ComposablePartDefinition partDefinition, object attributedPart) { throw null; }
        public static System.ComponentModel.Composition.Primitives.ComposablePart CreatePart(object attributedPart) { throw null; }
        public static System.ComponentModel.Composition.Primitives.ComposablePart CreatePart(object attributedPart, System.Reflection.ReflectionContext reflectionContext) { throw null; }
        public static System.ComponentModel.Composition.Primitives.ComposablePartDefinition CreatePartDefinition(System.Type type, System.ComponentModel.Composition.Primitives.ICompositionElement? origin) { throw null; }
        public static System.ComponentModel.Composition.Primitives.ComposablePartDefinition CreatePartDefinition(System.Type type, System.ComponentModel.Composition.Primitives.ICompositionElement? origin, bool ensureIsDiscoverable) { throw null; }
        public static bool Exports(this System.ComponentModel.Composition.Primitives.ComposablePartDefinition part, System.Type contractType) { throw null; }
        public static bool Exports<T>(this System.ComponentModel.Composition.Primitives.ComposablePartDefinition part) { throw null; }
        public static string GetContractName(System.Type type) { throw null; }
        public static TMetadataView GetMetadataView<TMetadataView>(System.Collections.Generic.IDictionary<string, object?> metadata) { throw null; }
        public static string GetTypeIdentity(System.Reflection.MethodInfo method) { throw null; }
        public static string GetTypeIdentity(System.Type type) { throw null; }
        public static bool Imports(this System.ComponentModel.Composition.Primitives.ComposablePartDefinition part, System.Type contractType) { throw null; }
        public static bool Imports(this System.ComponentModel.Composition.Primitives.ComposablePartDefinition part, System.Type contractType, System.ComponentModel.Composition.Primitives.ImportCardinality importCardinality) { throw null; }
        public static bool Imports<T>(this System.ComponentModel.Composition.Primitives.ComposablePartDefinition part) { throw null; }
        public static bool Imports<T>(this System.ComponentModel.Composition.Primitives.ComposablePartDefinition part, System.ComponentModel.Composition.Primitives.ImportCardinality importCardinality) { throw null; }
        public static System.ComponentModel.Composition.Primitives.ComposablePart SatisfyImportsOnce(this System.ComponentModel.Composition.ICompositionService compositionService, object attributedPart) { throw null; }
        public static System.ComponentModel.Composition.Primitives.ComposablePart SatisfyImportsOnce(this System.ComponentModel.Composition.ICompositionService compositionService, object attributedPart, System.Reflection.ReflectionContext reflectionContext) { throw null; }
    }
    [System.AttributeUsageAttribute(System.AttributeTargets.Assembly, AllowMultiple=false, Inherited=true)]
    public partial class CatalogReflectionContextAttribute : System.Attribute
    {
        public CatalogReflectionContextAttribute(System.Type reflectionContextType) { }
        public System.Reflection.ReflectionContext CreateReflectionContext() { throw null; }
    }
    public partial class ChangeRejectedException : System.ComponentModel.Composition.CompositionException
    {
        public ChangeRejectedException() { }
        public ChangeRejectedException(System.Collections.Generic.IEnumerable<System.ComponentModel.Composition.CompositionError>? errors) { }
        public ChangeRejectedException(string? message) { }
        public ChangeRejectedException(string? message, System.Exception? innerException) { }
        public override string Message { get { throw null; } }
    }
    public partial class CompositionContractMismatchException : System.Exception
    {
        public CompositionContractMismatchException() { }
        protected CompositionContractMismatchException(System.Runtime.Serialization.SerializationInfo info, System.Runtime.Serialization.StreamingContext context) { }
        public CompositionContractMismatchException(string? message) { }
        public CompositionContractMismatchException(string? message, System.Exception? innerException) { }
    }
    public partial class CompositionError
    {
        public CompositionError(string? message) { }
        public CompositionError(string? message, System.ComponentModel.Composition.Primitives.ICompositionElement? element) { }
        public CompositionError(string? message, System.ComponentModel.Composition.Primitives.ICompositionElement? element, System.Exception? exception) { }
        public CompositionError(string? message, System.Exception? exception) { }
        public string Description { get { throw null; } }
        public System.ComponentModel.Composition.Primitives.ICompositionElement? Element { get { throw null; } }
        public System.Exception? Exception { get { throw null; } }
        public override string ToString() { throw null; }
    }
    public partial class CompositionException : System.Exception
    {
        public CompositionException() { }
        public CompositionException(System.Collections.Generic.IEnumerable<System.ComponentModel.Composition.CompositionError>? errors) { }
        public CompositionException(string? message) { }
        public CompositionException(string? message, System.Exception? innerException) { }
        public System.Collections.ObjectModel.ReadOnlyCollection<System.ComponentModel.Composition.CompositionError> Errors { get { throw null; } }
        public override string Message { get { throw null; } }
        public System.Collections.ObjectModel.ReadOnlyCollection<System.Exception> RootCauses { get { throw null; } }
    }
    public enum CreationPolicy
    {
        Any = 0,
        Shared = 1,
        NonShared = 2,
    }
    [System.AttributeUsageAttribute(System.AttributeTargets.Class | System.AttributeTargets.Field | System.AttributeTargets.Method | System.AttributeTargets.Property, AllowMultiple=true, Inherited=false)]
    public partial class ExportAttribute : System.Attribute
    {
        public ExportAttribute() { }
        public ExportAttribute(string? contractName) { }
        public ExportAttribute(string? contractName, System.Type? contractType) { }
        public ExportAttribute(System.Type? contractType) { }
        public string? ContractName { get { throw null; } }
        public System.Type? ContractType { get { throw null; } }
    }
    public partial class ExportFactory<T>
    {
        public ExportFactory(System.Func<System.Tuple<T, System.Action>> exportLifetimeContextCreator) { }
        public System.ComponentModel.Composition.ExportLifetimeContext<T> CreateExport() { throw null; }
    }
    public partial class ExportFactory<T, TMetadata> : System.ComponentModel.Composition.ExportFactory<T>
    {
        public ExportFactory(System.Func<System.Tuple<T, System.Action>> exportLifetimeContextCreator, TMetadata metadata) : base (default(System.Func<System.Tuple<T, System.Action>>)) { }
        public TMetadata Metadata { get { throw null; } }
    }
    public sealed partial class ExportLifetimeContext<T> : System.IDisposable
    {
        public ExportLifetimeContext(T value, System.Action disposeAction) { }
        public T Value { get { throw null; } }
        public void Dispose() { }
    }
    [System.AttributeUsageAttribute(System.AttributeTargets.Class | System.AttributeTargets.Field | System.AttributeTargets.Interface | System.AttributeTargets.Method | System.AttributeTargets.Property, AllowMultiple=true, Inherited=false)]
    public sealed partial class ExportMetadataAttribute : System.Attribute
    {
        public ExportMetadataAttribute(string? name, object? value) { }
        public bool IsMultiple { get { throw null; } set { } }
        public string Name { get { throw null; } }
        public object? Value { get { throw null; } }
    }
    public partial interface ICompositionService
    {
        void SatisfyImportsOnce(System.ComponentModel.Composition.Primitives.ComposablePart part);
    }
    [System.AttributeUsageAttribute(System.AttributeTargets.Field | System.AttributeTargets.Parameter | System.AttributeTargets.Property, AllowMultiple=false, Inherited=false)]
    public partial class ImportAttribute : System.Attribute
    {
        public ImportAttribute() { }
        public ImportAttribute(string? contractName) { }
        public ImportAttribute(string? contractName, System.Type? contractType) { }
        public ImportAttribute(System.Type? contractType) { }
        public bool AllowDefault { get { throw null; } set { } }
        public bool AllowRecomposition { get { throw null; } set { } }
        public string? ContractName { get { throw null; } }
        public System.Type? ContractType { get { throw null; } }
        public System.ComponentModel.Composition.CreationPolicy RequiredCreationPolicy { get { throw null; } set { } }
        public System.ComponentModel.Composition.ImportSource Source { get { throw null; } set { } }
    }
    public partial class ImportCardinalityMismatchException : System.Exception
    {
        public ImportCardinalityMismatchException() { }
        protected ImportCardinalityMismatchException(System.Runtime.Serialization.SerializationInfo info, System.Runtime.Serialization.StreamingContext context) { }
        public ImportCardinalityMismatchException(string? message) { }
        public ImportCardinalityMismatchException(string? message, System.Exception? innerException) { }
    }
    [System.AttributeUsageAttribute(System.AttributeTargets.Constructor, AllowMultiple=false, Inherited=false)]
    public partial class ImportingConstructorAttribute : System.Attribute
    {
        public ImportingConstructorAttribute() { }
    }
    [System.AttributeUsageAttribute(System.AttributeTargets.Field | System.AttributeTargets.Parameter | System.AttributeTargets.Property, AllowMultiple=false, Inherited=false)]
    public partial class ImportManyAttribute : System.Attribute
    {
        public ImportManyAttribute() { }
        public ImportManyAttribute(string? contractName) { }
        public ImportManyAttribute(string? contractName, System.Type? contractType) { }
        public ImportManyAttribute(System.Type? contractType) { }
        public bool AllowRecomposition { get { throw null; } set { } }
        public string? ContractName { get { throw null; } }
        public System.Type? ContractType { get { throw null; } }
        public System.ComponentModel.Composition.CreationPolicy RequiredCreationPolicy { get { throw null; } set { } }
        public System.ComponentModel.Composition.ImportSource Source { get { throw null; } set { } }
    }
    public enum ImportSource
    {
        Any = 0,
        Local = 1,
        NonLocal = 2,
    }
    [System.AttributeUsageAttribute(System.AttributeTargets.Class | System.AttributeTargets.Interface, AllowMultiple=true, Inherited=true)]
    public partial class InheritedExportAttribute : System.ComponentModel.Composition.ExportAttribute
    {
        public InheritedExportAttribute() { }
        public InheritedExportAttribute(string? contractName) { }
        public InheritedExportAttribute(string? contractName, System.Type? contractType) { }
        public InheritedExportAttribute(System.Type? contractType) { }
    }
    public partial interface IPartImportsSatisfiedNotification
    {
        void OnImportsSatisfied();
    }
    [System.AttributeUsageAttribute(System.AttributeTargets.Class, AllowMultiple=false, Inherited=true)]
    public sealed partial class MetadataAttributeAttribute : System.Attribute
    {
        public MetadataAttributeAttribute() { }
    }
    [System.AttributeUsageAttribute(System.AttributeTargets.Interface, AllowMultiple=false, Inherited=false)]
    public sealed partial class MetadataViewImplementationAttribute : System.Attribute
    {
        public MetadataViewImplementationAttribute(System.Type? implementationType) { }
        public System.Type? ImplementationType { get { throw null; } }
    }
    [System.AttributeUsageAttribute(System.AttributeTargets.Class, AllowMultiple=false, Inherited=false)]
    public sealed partial class PartCreationPolicyAttribute : System.Attribute
    {
        public PartCreationPolicyAttribute(System.ComponentModel.Composition.CreationPolicy creationPolicy) { }
        public System.ComponentModel.Composition.CreationPolicy CreationPolicy { get { throw null; } }
    }
    [System.AttributeUsageAttribute(System.AttributeTargets.Class, AllowMultiple=true, Inherited=false)]
    public sealed partial class PartMetadataAttribute : System.Attribute
    {
        public PartMetadataAttribute(string? name, object? value) { }
        public string Name { get { throw null; } }
        public object? Value { get { throw null; } }
    }
    [System.AttributeUsageAttribute(System.AttributeTargets.Class, AllowMultiple=false, Inherited=false)]
    public sealed partial class PartNotDiscoverableAttribute : System.Attribute
    {
        public PartNotDiscoverableAttribute() { }
    }
}
namespace System.ComponentModel.Composition.Hosting
{
    public partial class AggregateCatalog : System.ComponentModel.Composition.Primitives.ComposablePartCatalog, System.ComponentModel.Composition.Hosting.INotifyComposablePartCatalogChanged
    {
        public AggregateCatalog() { }
        public AggregateCatalog(System.Collections.Generic.IEnumerable<System.ComponentModel.Composition.Primitives.ComposablePartCatalog>? catalogs) { }
        public AggregateCatalog(params System.ComponentModel.Composition.Primitives.ComposablePartCatalog[]? catalogs) { }
        public System.Collections.Generic.ICollection<System.ComponentModel.Composition.Primitives.ComposablePartCatalog> Catalogs { get { throw null; } }
        public event System.EventHandler<System.ComponentModel.Composition.Hosting.ComposablePartCatalogChangeEventArgs>? Changed { add { } remove { } }
        public event System.EventHandler<System.ComponentModel.Composition.Hosting.ComposablePartCatalogChangeEventArgs>? Changing { add { } remove { } }
        protected override void Dispose(bool disposing) { }
        public override System.Collections.Generic.IEnumerator<System.ComponentModel.Composition.Primitives.ComposablePartDefinition> GetEnumerator() { throw null; }
        public override System.Collections.Generic.IEnumerable<System.Tuple<System.ComponentModel.Composition.Primitives.ComposablePartDefinition, System.ComponentModel.Composition.Primitives.ExportDefinition>> GetExports(System.ComponentModel.Composition.Primitives.ImportDefinition definition) { throw null; }
        protected virtual void OnChanged(System.ComponentModel.Composition.Hosting.ComposablePartCatalogChangeEventArgs e) { }
        protected virtual void OnChanging(System.ComponentModel.Composition.Hosting.ComposablePartCatalogChangeEventArgs e) { }
    }
    public partial class AggregateExportProvider : System.ComponentModel.Composition.Hosting.ExportProvider, System.IDisposable
    {
        public AggregateExportProvider(System.Collections.Generic.IEnumerable<System.ComponentModel.Composition.Hosting.ExportProvider>? providers) { }
        public AggregateExportProvider(params System.ComponentModel.Composition.Hosting.ExportProvider[]? providers) { }
        public System.Collections.ObjectModel.ReadOnlyCollection<System.ComponentModel.Composition.Hosting.ExportProvider> Providers { get { throw null; } }
        public void Dispose() { }
        protected virtual void Dispose(bool disposing) { }
        protected override System.Collections.Generic.IEnumerable<System.ComponentModel.Composition.Primitives.Export> GetExportsCore(System.ComponentModel.Composition.Primitives.ImportDefinition definition, System.ComponentModel.Composition.Hosting.AtomicComposition? atomicComposition) { throw null; }
    }
    public partial class ApplicationCatalog : System.ComponentModel.Composition.Primitives.ComposablePartCatalog, System.ComponentModel.Composition.Primitives.ICompositionElement
    {
        public ApplicationCatalog() { }
        public ApplicationCatalog(System.ComponentModel.Composition.Primitives.ICompositionElement definitionOrigin) { }
        public ApplicationCatalog(System.Reflection.ReflectionContext reflectionContext) { }
        public ApplicationCatalog(System.Reflection.ReflectionContext reflectionContext, System.ComponentModel.Composition.Primitives.ICompositionElement definitionOrigin) { }
        string System.ComponentModel.Composition.Primitives.ICompositionElement.DisplayName { get { throw null; } }
        System.ComponentModel.Composition.Primitives.ICompositionElement? System.ComponentModel.Composition.Primitives.ICompositionElement.Origin { get { throw null; } }
        protected override void Dispose(bool disposing) { }
        public override System.Collections.Generic.IEnumerator<System.ComponentModel.Composition.Primitives.ComposablePartDefinition> GetEnumerator() { throw null; }
        public override System.Collections.Generic.IEnumerable<System.Tuple<System.ComponentModel.Composition.Primitives.ComposablePartDefinition, System.ComponentModel.Composition.Primitives.ExportDefinition>> GetExports(System.ComponentModel.Composition.Primitives.ImportDefinition definition) { throw null; }
        public override string ToString() { throw null; }
    }
    public partial class AssemblyCatalog : System.ComponentModel.Composition.Primitives.ComposablePartCatalog, System.ComponentModel.Composition.Primitives.ICompositionElement
    {
        public AssemblyCatalog(System.Reflection.Assembly assembly) { }
        public AssemblyCatalog(System.Reflection.Assembly assembly, System.ComponentModel.Composition.Primitives.ICompositionElement definitionOrigin) { }
        public AssemblyCatalog(System.Reflection.Assembly assembly, System.Reflection.ReflectionContext reflectionContext) { }
        public AssemblyCatalog(System.Reflection.Assembly assembly, System.Reflection.ReflectionContext reflectionContext, System.ComponentModel.Composition.Primitives.ICompositionElement definitionOrigin) { }
        public AssemblyCatalog(string codeBase) { }
        public AssemblyCatalog(string codeBase, System.ComponentModel.Composition.Primitives.ICompositionElement definitionOrigin) { }
        public AssemblyCatalog(string codeBase, System.Reflection.ReflectionContext reflectionContext) { }
        public AssemblyCatalog(string codeBase, System.Reflection.ReflectionContext reflectionContext, System.ComponentModel.Composition.Primitives.ICompositionElement definitionOrigin) { }
        public System.Reflection.Assembly Assembly { get { throw null; } }
        string System.ComponentModel.Composition.Primitives.ICompositionElement.DisplayName { get { throw null; } }
        System.ComponentModel.Composition.Primitives.ICompositionElement? System.ComponentModel.Composition.Primitives.ICompositionElement.Origin { get { throw null; } }
        protected override void Dispose(bool disposing) { }
        public override System.Collections.Generic.IEnumerator<System.ComponentModel.Composition.Primitives.ComposablePartDefinition> GetEnumerator() { throw null; }
        public override System.Collections.Generic.IEnumerable<System.Tuple<System.ComponentModel.Composition.Primitives.ComposablePartDefinition, System.ComponentModel.Composition.Primitives.ExportDefinition>> GetExports(System.ComponentModel.Composition.Primitives.ImportDefinition definition) { throw null; }
        public override string ToString() { throw null; }
    }
    public partial class AtomicComposition : System.IDisposable
    {
        public AtomicComposition() { }
        public AtomicComposition(System.ComponentModel.Composition.Hosting.AtomicComposition? outerAtomicComposition) { }
        public void AddCompleteAction(System.Action completeAction) { }
        public void AddRevertAction(System.Action revertAction) { }
        public void Complete() { }
        public void Dispose() { }
        protected virtual void Dispose(bool disposing) { }
        public void SetValue(object key, object? value) { }
        public bool TryGetValue<T>(object key, bool localAtomicCompositionOnly, [System.Diagnostics.CodeAnalysis.MaybeNullWhenAttribute(false)] out T value) { throw null; }
        public bool TryGetValue<T>(object key, [System.Diagnostics.CodeAnalysis.MaybeNullWhenAttribute(false)] out T value) { throw null; }
    }
    public partial class CatalogExportProvider : System.ComponentModel.Composition.Hosting.ExportProvider, System.IDisposable
    {
        public CatalogExportProvider(System.ComponentModel.Composition.Primitives.ComposablePartCatalog catalog) { }
        public CatalogExportProvider(System.ComponentModel.Composition.Primitives.ComposablePartCatalog catalog, bool isThreadSafe) { }
        public CatalogExportProvider(System.ComponentModel.Composition.Primitives.ComposablePartCatalog catalog, System.ComponentModel.Composition.Hosting.CompositionOptions compositionOptions) { }
        public System.ComponentModel.Composition.Primitives.ComposablePartCatalog Catalog { get { throw null; } }
        [System.Diagnostics.CodeAnalysis.DisallowNullAttribute]
        public System.ComponentModel.Composition.Hosting.ExportProvider? SourceProvider { get { throw null; } set { } }
        public void Dispose() { }
        protected virtual void Dispose(bool disposing) { }
        protected override System.Collections.Generic.IEnumerable<System.ComponentModel.Composition.Primitives.Export> GetExportsCore(System.ComponentModel.Composition.Primitives.ImportDefinition definition, System.ComponentModel.Composition.Hosting.AtomicComposition? atomicComposition) { throw null; }
    }
    public static partial class CatalogExtensions
    {
        public static System.ComponentModel.Composition.Hosting.CompositionService CreateCompositionService(this System.ComponentModel.Composition.Primitives.ComposablePartCatalog composablePartCatalog) { throw null; }
    }
    public partial class ComposablePartCatalogChangeEventArgs : System.EventArgs
    {
        public ComposablePartCatalogChangeEventArgs(System.Collections.Generic.IEnumerable<System.ComponentModel.Composition.Primitives.ComposablePartDefinition> addedDefinitions, System.Collections.Generic.IEnumerable<System.ComponentModel.Composition.Primitives.ComposablePartDefinition> removedDefinitions, System.ComponentModel.Composition.Hosting.AtomicComposition? atomicComposition) { }
        public System.Collections.Generic.IEnumerable<System.ComponentModel.Composition.Primitives.ComposablePartDefinition> AddedDefinitions { get { throw null; } }
        public System.ComponentModel.Composition.Hosting.AtomicComposition? AtomicComposition { get { throw null; } }
        public System.Collections.Generic.IEnumerable<System.ComponentModel.Composition.Primitives.ComposablePartDefinition> RemovedDefinitions { get { throw null; } }
    }
    public partial class ComposablePartExportProvider : System.ComponentModel.Composition.Hosting.ExportProvider, System.IDisposable
    {
        public ComposablePartExportProvider() { }
        public ComposablePartExportProvider(bool isThreadSafe) { }
        public ComposablePartExportProvider(System.ComponentModel.Composition.Hosting.CompositionOptions compositionOptions) { }
        [System.Diagnostics.CodeAnalysis.DisallowNullAttribute]
        public System.ComponentModel.Composition.Hosting.ExportProvider? SourceProvider { get { throw null; } set { } }
        public void Compose(System.ComponentModel.Composition.Hosting.CompositionBatch batch) { }
        public void Dispose() { }
        protected virtual void Dispose(bool disposing) { }
        protected override System.Collections.Generic.IEnumerable<System.ComponentModel.Composition.Primitives.Export>? GetExportsCore(System.ComponentModel.Composition.Primitives.ImportDefinition definition, System.ComponentModel.Composition.Hosting.AtomicComposition? atomicComposition) { throw null; }
    }
    public partial class CompositionBatch
    {
        public CompositionBatch() { }
        public CompositionBatch(System.Collections.Generic.IEnumerable<System.ComponentModel.Composition.Primitives.ComposablePart>? partsToAdd, System.Collections.Generic.IEnumerable<System.ComponentModel.Composition.Primitives.ComposablePart>? partsToRemove) { }
        public System.Collections.ObjectModel.ReadOnlyCollection<System.ComponentModel.Composition.Primitives.ComposablePart> PartsToAdd { get { throw null; } }
        public System.Collections.ObjectModel.ReadOnlyCollection<System.ComponentModel.Composition.Primitives.ComposablePart> PartsToRemove { get { throw null; } }
        public System.ComponentModel.Composition.Primitives.ComposablePart AddExport(System.ComponentModel.Composition.Primitives.Export export) { throw null; }
        public void AddPart(System.ComponentModel.Composition.Primitives.ComposablePart part) { }
        public void RemovePart(System.ComponentModel.Composition.Primitives.ComposablePart part) { }
    }
    public static partial class CompositionConstants
    {
        public const string ExportTypeIdentityMetadataName = "ExportTypeIdentity";
        public const string GenericContractMetadataName = "System.ComponentModel.Composition.GenericContractName";
        public const string GenericParametersMetadataName = "System.ComponentModel.Composition.GenericParameters";
        public const string ImportSourceMetadataName = "System.ComponentModel.Composition.ImportSource";
        public const string IsGenericPartMetadataName = "System.ComponentModel.Composition.IsGenericPart";
        public const string PartCreationPolicyMetadataName = "System.ComponentModel.Composition.CreationPolicy";
    }
    public partial class CompositionContainer : System.ComponentModel.Composition.Hosting.ExportProvider, System.ComponentModel.Composition.ICompositionService, System.IDisposable
    {
        public CompositionContainer() { }
        public CompositionContainer(System.ComponentModel.Composition.Hosting.CompositionOptions compositionOptions, params System.ComponentModel.Composition.Hosting.ExportProvider[]? providers) { }
        public CompositionContainer(params System.ComponentModel.Composition.Hosting.ExportProvider[]? providers) { }
        public CompositionContainer(System.ComponentModel.Composition.Primitives.ComposablePartCatalog? catalog, bool isThreadSafe, params System.ComponentModel.Composition.Hosting.ExportProvider[]? providers) { }
        public CompositionContainer(System.ComponentModel.Composition.Primitives.ComposablePartCatalog? catalog, System.ComponentModel.Composition.Hosting.CompositionOptions compositionOptions, params System.ComponentModel.Composition.Hosting.ExportProvider[]? providers) { }
        public CompositionContainer(System.ComponentModel.Composition.Primitives.ComposablePartCatalog? catalog, params System.ComponentModel.Composition.Hosting.ExportProvider[]? providers) { }
        public System.ComponentModel.Composition.Primitives.ComposablePartCatalog? Catalog { get { throw null; } }
        public System.Collections.ObjectModel.ReadOnlyCollection<System.ComponentModel.Composition.Hosting.ExportProvider> Providers { get { throw null; } }
        public void Compose(System.ComponentModel.Composition.Hosting.CompositionBatch batch) { }
        public void Dispose() { }
        protected virtual void Dispose(bool disposing) { }
        protected override System.Collections.Generic.IEnumerable<System.ComponentModel.Composition.Primitives.Export>? GetExportsCore(System.ComponentModel.Composition.Primitives.ImportDefinition definition, System.ComponentModel.Composition.Hosting.AtomicComposition? atomicComposition) { throw null; }
        public void ReleaseExport(System.ComponentModel.Composition.Primitives.Export export) { }
        public void ReleaseExports(System.Collections.Generic.IEnumerable<System.ComponentModel.Composition.Primitives.Export> exports) { }
        public void ReleaseExports<T>(System.Collections.Generic.IEnumerable<System.Lazy<T>> exports) { }
        public void ReleaseExports<T, TMetadataView>(System.Collections.Generic.IEnumerable<System.Lazy<T, TMetadataView>> exports) { }
        public void ReleaseExport<T>(System.Lazy<T> export) { }
        public void SatisfyImportsOnce(System.ComponentModel.Composition.Primitives.ComposablePart part) { }
    }
    [System.FlagsAttribute]
    public enum CompositionOptions
    {
        Default = 0,
        DisableSilentRejection = 1,
        IsThreadSafe = 2,
        ExportCompositionService = 4,
    }
    public partial class CompositionScopeDefinition : System.ComponentModel.Composition.Primitives.ComposablePartCatalog, System.ComponentModel.Composition.Hosting.INotifyComposablePartCatalogChanged
    {
        protected CompositionScopeDefinition() { }
        public CompositionScopeDefinition(System.ComponentModel.Composition.Primitives.ComposablePartCatalog catalog, System.Collections.Generic.IEnumerable<System.ComponentModel.Composition.Hosting.CompositionScopeDefinition> children) { }
        public CompositionScopeDefinition(System.ComponentModel.Composition.Primitives.ComposablePartCatalog catalog, System.Collections.Generic.IEnumerable<System.ComponentModel.Composition.Hosting.CompositionScopeDefinition> children, System.Collections.Generic.IEnumerable<System.ComponentModel.Composition.Primitives.ExportDefinition> publicSurface) { }
        public virtual System.Collections.Generic.IEnumerable<System.ComponentModel.Composition.Hosting.CompositionScopeDefinition> Children { get { throw null; } }
        public virtual System.Collections.Generic.IEnumerable<System.ComponentModel.Composition.Primitives.ExportDefinition> PublicSurface { get { throw null; } }
        public event System.EventHandler<System.ComponentModel.Composition.Hosting.ComposablePartCatalogChangeEventArgs>? Changed { add { } remove { } }
        public event System.EventHandler<System.ComponentModel.Composition.Hosting.ComposablePartCatalogChangeEventArgs>? Changing { add { } remove { } }
        protected override void Dispose(bool disposing) { }
        public override System.Collections.Generic.IEnumerator<System.ComponentModel.Composition.Primitives.ComposablePartDefinition> GetEnumerator() { throw null; }
        public override System.Collections.Generic.IEnumerable<System.Tuple<System.ComponentModel.Composition.Primitives.ComposablePartDefinition, System.ComponentModel.Composition.Primitives.ExportDefinition>> GetExports(System.ComponentModel.Composition.Primitives.ImportDefinition definition) { throw null; }
        protected virtual void OnChanged(System.ComponentModel.Composition.Hosting.ComposablePartCatalogChangeEventArgs e) { }
        protected virtual void OnChanging(System.ComponentModel.Composition.Hosting.ComposablePartCatalogChangeEventArgs e) { }
    }
    public partial class CompositionService : System.ComponentModel.Composition.ICompositionService, System.IDisposable
    {
        internal CompositionService() { }
        public void Dispose() { }
        public void SatisfyImportsOnce(System.ComponentModel.Composition.Primitives.ComposablePart part) { }
    }
    public partial class DirectoryCatalog : System.ComponentModel.Composition.Primitives.ComposablePartCatalog, System.ComponentModel.Composition.Hosting.INotifyComposablePartCatalogChanged, System.ComponentModel.Composition.Primitives.ICompositionElement
    {
        public DirectoryCatalog(string path) { }
        public DirectoryCatalog(string path, System.ComponentModel.Composition.Primitives.ICompositionElement definitionOrigin) { }
        public DirectoryCatalog(string path, System.Reflection.ReflectionContext reflectionContext) { }
        public DirectoryCatalog(string path, System.Reflection.ReflectionContext reflectionContext, System.ComponentModel.Composition.Primitives.ICompositionElement definitionOrigin) { }
        public DirectoryCatalog(string path, string searchPattern) { }
        public DirectoryCatalog(string path, string searchPattern, System.ComponentModel.Composition.Primitives.ICompositionElement definitionOrigin) { }
        public DirectoryCatalog(string path, string searchPattern, System.Reflection.ReflectionContext reflectionContext) { }
        public DirectoryCatalog(string path, string searchPattern, System.Reflection.ReflectionContext reflectionContext, System.ComponentModel.Composition.Primitives.ICompositionElement definitionOrigin) { }
        public string FullPath { get { throw null; } }
        public System.Collections.ObjectModel.ReadOnlyCollection<string> LoadedFiles { get { throw null; } }
        public string Path { get { throw null; } }
        public string SearchPattern { get { throw null; } }
        string System.ComponentModel.Composition.Primitives.ICompositionElement.DisplayName { get { throw null; } }
        System.ComponentModel.Composition.Primitives.ICompositionElement? System.ComponentModel.Composition.Primitives.ICompositionElement.Origin { get { throw null; } }
        public event System.EventHandler<System.ComponentModel.Composition.Hosting.ComposablePartCatalogChangeEventArgs>? Changed { add { } remove { } }
        public event System.EventHandler<System.ComponentModel.Composition.Hosting.ComposablePartCatalogChangeEventArgs>? Changing { add { } remove { } }
        protected override void Dispose(bool disposing) { }
        public override System.Collections.Generic.IEnumerator<System.ComponentModel.Composition.Primitives.ComposablePartDefinition> GetEnumerator() { throw null; }
        public override System.Collections.Generic.IEnumerable<System.Tuple<System.ComponentModel.Composition.Primitives.ComposablePartDefinition, System.ComponentModel.Composition.Primitives.ExportDefinition>> GetExports(System.ComponentModel.Composition.Primitives.ImportDefinition definition) { throw null; }
        protected virtual void OnChanged(System.ComponentModel.Composition.Hosting.ComposablePartCatalogChangeEventArgs e) { }
        protected virtual void OnChanging(System.ComponentModel.Composition.Hosting.ComposablePartCatalogChangeEventArgs e) { }
        public void Refresh() { }
        public override string ToString() { throw null; }
    }
    public abstract partial class ExportProvider
    {
        protected ExportProvider() { }
        public event System.EventHandler<System.ComponentModel.Composition.Hosting.ExportsChangeEventArgs>? ExportsChanged { add { } remove { } }
        public event System.EventHandler<System.ComponentModel.Composition.Hosting.ExportsChangeEventArgs>? ExportsChanging { add { } remove { } }
        [return: System.Diagnostics.CodeAnalysis.MaybeNullAttribute]
        public T GetExportedValueOrDefault<T>() { throw null; }
        [return: System.Diagnostics.CodeAnalysis.MaybeNullAttribute]
        public T GetExportedValueOrDefault<T>(string? contractName) { throw null; }
        public System.Collections.Generic.IEnumerable<T> GetExportedValues<T>() { throw null; }
        public System.Collections.Generic.IEnumerable<T> GetExportedValues<T>(string? contractName) { throw null; }
        [return: System.Diagnostics.CodeAnalysis.MaybeNullAttribute]
        public T GetExportedValue<T>() { throw null; }
        [return: System.Diagnostics.CodeAnalysis.MaybeNullAttribute]
        public T GetExportedValue<T>(string? contractName) { throw null; }
        public System.Collections.Generic.IEnumerable<System.ComponentModel.Composition.Primitives.Export> GetExports(System.ComponentModel.Composition.Primitives.ImportDefinition definition) { throw null; }
        public System.Collections.Generic.IEnumerable<System.ComponentModel.Composition.Primitives.Export> GetExports(System.ComponentModel.Composition.Primitives.ImportDefinition definition, System.ComponentModel.Composition.Hosting.AtomicComposition? atomicComposition) { throw null; }
        public System.Collections.Generic.IEnumerable<System.Lazy<object, object>> GetExports(System.Type type, System.Type? metadataViewType, string? contractName) { throw null; }
        protected abstract System.Collections.Generic.IEnumerable<System.ComponentModel.Composition.Primitives.Export>? GetExportsCore(System.ComponentModel.Composition.Primitives.ImportDefinition definition, System.ComponentModel.Composition.Hosting.AtomicComposition? atomicComposition);
        public System.Collections.Generic.IEnumerable<System.Lazy<T>> GetExports<T>() { throw null; }
        public System.Collections.Generic.IEnumerable<System.Lazy<T>> GetExports<T>(string? contractName) { throw null; }
        public System.Collections.Generic.IEnumerable<System.Lazy<T, TMetadataView>> GetExports<T, TMetadataView>() { throw null; }
        public System.Collections.Generic.IEnumerable<System.Lazy<T, TMetadataView>> GetExports<T, TMetadataView>(string? contractName) { throw null; }
        public System.Lazy<T>? GetExport<T>() { throw null; }
        public System.Lazy<T>? GetExport<T>(string? contractName) { throw null; }
        public System.Lazy<T, TMetadataView>? GetExport<T, TMetadataView>() { throw null; }
        public System.Lazy<T, TMetadataView>? GetExport<T, TMetadataView>(string? contractName) { throw null; }
        protected virtual void OnExportsChanged(System.ComponentModel.Composition.Hosting.ExportsChangeEventArgs e) { }
        protected virtual void OnExportsChanging(System.ComponentModel.Composition.Hosting.ExportsChangeEventArgs e) { }
        public bool TryGetExports(System.ComponentModel.Composition.Primitives.ImportDefinition definition, System.ComponentModel.Composition.Hosting.AtomicComposition? atomicComposition, out System.Collections.Generic.IEnumerable<System.ComponentModel.Composition.Primitives.Export>? exports) { throw null; }
    }
    public partial class ExportsChangeEventArgs : System.EventArgs
    {
        public ExportsChangeEventArgs(System.Collections.Generic.IEnumerable<System.ComponentModel.Composition.Primitives.ExportDefinition> addedExports, System.Collections.Generic.IEnumerable<System.ComponentModel.Composition.Primitives.ExportDefinition> removedExports, System.ComponentModel.Composition.Hosting.AtomicComposition? atomicComposition) { }
        public System.Collections.Generic.IEnumerable<System.ComponentModel.Composition.Primitives.ExportDefinition> AddedExports { get { throw null; } }
        public System.ComponentModel.Composition.Hosting.AtomicComposition? AtomicComposition { get { throw null; } }
        public System.Collections.Generic.IEnumerable<string> ChangedContractNames { get { throw null; } }
        public System.Collections.Generic.IEnumerable<System.ComponentModel.Composition.Primitives.ExportDefinition> RemovedExports { get { throw null; } }
    }
    public partial class FilteredCatalog : System.ComponentModel.Composition.Primitives.ComposablePartCatalog, System.ComponentModel.Composition.Hosting.INotifyComposablePartCatalogChanged
    {
        public FilteredCatalog(System.ComponentModel.Composition.Primitives.ComposablePartCatalog catalog, System.Func<System.ComponentModel.Composition.Primitives.ComposablePartDefinition, bool> filter) { }
        public System.ComponentModel.Composition.Hosting.FilteredCatalog Complement { get { throw null; } }
        public event System.EventHandler<System.ComponentModel.Composition.Hosting.ComposablePartCatalogChangeEventArgs>? Changed { add { } remove { } }
        public event System.EventHandler<System.ComponentModel.Composition.Hosting.ComposablePartCatalogChangeEventArgs>? Changing { add { } remove { } }
        protected override void Dispose(bool disposing) { }
        public override System.Collections.Generic.IEnumerator<System.ComponentModel.Composition.Primitives.ComposablePartDefinition> GetEnumerator() { throw null; }
        public override System.Collections.Generic.IEnumerable<System.Tuple<System.ComponentModel.Composition.Primitives.ComposablePartDefinition, System.ComponentModel.Composition.Primitives.ExportDefinition>> GetExports(System.ComponentModel.Composition.Primitives.ImportDefinition definition) { throw null; }
        public System.ComponentModel.Composition.Hosting.FilteredCatalog IncludeDependencies() { throw null; }
        public System.ComponentModel.Composition.Hosting.FilteredCatalog IncludeDependencies(System.Func<System.ComponentModel.Composition.Primitives.ImportDefinition, bool> importFilter) { throw null; }
        public System.ComponentModel.Composition.Hosting.FilteredCatalog IncludeDependents() { throw null; }
        public System.ComponentModel.Composition.Hosting.FilteredCatalog IncludeDependents(System.Func<System.ComponentModel.Composition.Primitives.ImportDefinition, bool> importFilter) { throw null; }
        protected virtual void OnChanged(System.ComponentModel.Composition.Hosting.ComposablePartCatalogChangeEventArgs e) { }
        protected virtual void OnChanging(System.ComponentModel.Composition.Hosting.ComposablePartCatalogChangeEventArgs e) { }
    }
    public partial class ImportEngine : System.ComponentModel.Composition.ICompositionService, System.IDisposable
    {
        public ImportEngine(System.ComponentModel.Composition.Hosting.ExportProvider sourceProvider) { }
        public ImportEngine(System.ComponentModel.Composition.Hosting.ExportProvider sourceProvider, bool isThreadSafe) { }
        public ImportEngine(System.ComponentModel.Composition.Hosting.ExportProvider sourceProvider, System.ComponentModel.Composition.Hosting.CompositionOptions compositionOptions) { }
        public void Dispose() { }
        protected virtual void Dispose(bool disposing) { }
        public void PreviewImports(System.ComponentModel.Composition.Primitives.ComposablePart part, System.ComponentModel.Composition.Hosting.AtomicComposition? atomicComposition) { }
        public void ReleaseImports(System.ComponentModel.Composition.Primitives.ComposablePart part, System.ComponentModel.Composition.Hosting.AtomicComposition? atomicComposition) { }
        public void SatisfyImports(System.ComponentModel.Composition.Primitives.ComposablePart part) { }
        public void SatisfyImportsOnce(System.ComponentModel.Composition.Primitives.ComposablePart part) { }
    }
    public partial interface INotifyComposablePartCatalogChanged
    {
        event System.EventHandler<System.ComponentModel.Composition.Hosting.ComposablePartCatalogChangeEventArgs>? Changed;
        event System.EventHandler<System.ComponentModel.Composition.Hosting.ComposablePartCatalogChangeEventArgs>? Changing;
    }
    public static partial class ScopingExtensions
    {
        public static bool ContainsPartMetadataWithKey(this System.ComponentModel.Composition.Primitives.ComposablePartDefinition part, string key) { throw null; }
        public static bool ContainsPartMetadata<T>(this System.ComponentModel.Composition.Primitives.ComposablePartDefinition part, string key, T value) { throw null; }
        public static bool Exports(this System.ComponentModel.Composition.Primitives.ComposablePartDefinition part, string contractName) { throw null; }
        public static System.ComponentModel.Composition.Hosting.FilteredCatalog Filter(this System.ComponentModel.Composition.Primitives.ComposablePartCatalog catalog, System.Func<System.ComponentModel.Composition.Primitives.ComposablePartDefinition, bool> filter) { throw null; }
        public static bool Imports(this System.ComponentModel.Composition.Primitives.ComposablePartDefinition part, string contractName) { throw null; }
        public static bool Imports(this System.ComponentModel.Composition.Primitives.ComposablePartDefinition part, string contractName, System.ComponentModel.Composition.Primitives.ImportCardinality importCardinality) { throw null; }
    }
    public partial class TypeCatalog : System.ComponentModel.Composition.Primitives.ComposablePartCatalog, System.ComponentModel.Composition.Primitives.ICompositionElement
    {
        public TypeCatalog(System.Collections.Generic.IEnumerable<System.Type> types) { }
        public TypeCatalog(System.Collections.Generic.IEnumerable<System.Type> types, System.ComponentModel.Composition.Primitives.ICompositionElement definitionOrigin) { }
        public TypeCatalog(System.Collections.Generic.IEnumerable<System.Type> types, System.Reflection.ReflectionContext reflectionContext) { }
        public TypeCatalog(System.Collections.Generic.IEnumerable<System.Type> types, System.Reflection.ReflectionContext reflectionContext, System.ComponentModel.Composition.Primitives.ICompositionElement definitionOrigin) { }
        public TypeCatalog(params System.Type[] types) { }
        string System.ComponentModel.Composition.Primitives.ICompositionElement.DisplayName { get { throw null; } }
        System.ComponentModel.Composition.Primitives.ICompositionElement? System.ComponentModel.Composition.Primitives.ICompositionElement.Origin { get { throw null; } }
        protected override void Dispose(bool disposing) { }
        public override System.Collections.Generic.IEnumerator<System.ComponentModel.Composition.Primitives.ComposablePartDefinition> GetEnumerator() { throw null; }
        public override string ToString() { throw null; }
    }
}
namespace System.ComponentModel.Composition.Primitives
{
    public abstract partial class ComposablePart
    {
        protected ComposablePart() { }
        public abstract System.Collections.Generic.IEnumerable<System.ComponentModel.Composition.Primitives.ExportDefinition> ExportDefinitions { get; }
        public abstract System.Collections.Generic.IEnumerable<System.ComponentModel.Composition.Primitives.ImportDefinition> ImportDefinitions { get; }
        public virtual System.Collections.Generic.IDictionary<string, object?> Metadata { get { throw null; } }
        public virtual void Activate() { }
        public abstract object? GetExportedValue(System.ComponentModel.Composition.Primitives.ExportDefinition definition);
        public abstract void SetImport(System.ComponentModel.Composition.Primitives.ImportDefinition definition, System.Collections.Generic.IEnumerable<System.ComponentModel.Composition.Primitives.Export> exports);
    }
    public abstract partial class ComposablePartCatalog : System.Collections.Generic.IEnumerable<System.ComponentModel.Composition.Primitives.ComposablePartDefinition>, System.Collections.IEnumerable, System.IDisposable
    {
        protected ComposablePartCatalog() { }
        [System.ComponentModel.EditorBrowsableAttribute(System.ComponentModel.EditorBrowsableState.Never)]
        public virtual System.Linq.IQueryable<System.ComponentModel.Composition.Primitives.ComposablePartDefinition> Parts { get { throw null; } }
        public void Dispose() { }
        protected virtual void Dispose(bool disposing) { }
        public virtual System.Collections.Generic.IEnumerator<System.ComponentModel.Composition.Primitives.ComposablePartDefinition> GetEnumerator() { throw null; }
        public virtual System.Collections.Generic.IEnumerable<System.Tuple<System.ComponentModel.Composition.Primitives.ComposablePartDefinition, System.ComponentModel.Composition.Primitives.ExportDefinition>> GetExports(System.ComponentModel.Composition.Primitives.ImportDefinition definition) { throw null; }
        System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator() { throw null; }
    }
    public abstract partial class ComposablePartDefinition
    {
        protected ComposablePartDefinition() { }
        public abstract System.Collections.Generic.IEnumerable<System.ComponentModel.Composition.Primitives.ExportDefinition> ExportDefinitions { get; }
        public abstract System.Collections.Generic.IEnumerable<System.ComponentModel.Composition.Primitives.ImportDefinition> ImportDefinitions { get; }
        public virtual System.Collections.Generic.IDictionary<string, object?> Metadata { get { throw null; } }
        public abstract System.ComponentModel.Composition.Primitives.ComposablePart CreatePart();
    }
    public partial class ComposablePartException : System.Exception
    {
        public ComposablePartException() { }
        protected ComposablePartException(System.Runtime.Serialization.SerializationInfo info, System.Runtime.Serialization.StreamingContext context) { }
        public ComposablePartException(string? message) { }
        public ComposablePartException(string? message, System.ComponentModel.Composition.Primitives.ICompositionElement? element) { }
        public ComposablePartException(string? message, System.ComponentModel.Composition.Primitives.ICompositionElement? element, System.Exception? innerException) { }
        public ComposablePartException(string? message, System.Exception? innerException) { }
        public System.ComponentModel.Composition.Primitives.ICompositionElement? Element { get { throw null; } }
        public override void GetObjectData(System.Runtime.Serialization.SerializationInfo info, System.Runtime.Serialization.StreamingContext context) { }
    }
    public partial class ContractBasedImportDefinition : System.ComponentModel.Composition.Primitives.ImportDefinition
    {
        protected ContractBasedImportDefinition() { }
        public ContractBasedImportDefinition(string contractName, string? requiredTypeIdentity, System.Collections.Generic.IEnumerable<System.Collections.Generic.KeyValuePair<string, System.Type>>? requiredMetadata, System.ComponentModel.Composition.Primitives.ImportCardinality cardinality, bool isRecomposable, bool isPrerequisite, System.ComponentModel.Composition.CreationPolicy requiredCreationPolicy) { }
        public ContractBasedImportDefinition(string contractName, string? requiredTypeIdentity, System.Collections.Generic.IEnumerable<System.Collections.Generic.KeyValuePair<string, System.Type>>? requiredMetadata, System.ComponentModel.Composition.Primitives.ImportCardinality cardinality, bool isRecomposable, bool isPrerequisite, System.ComponentModel.Composition.CreationPolicy requiredCreationPolicy, System.Collections.Generic.IDictionary<string, object?> metadata) { }
        public override System.Linq.Expressions.Expression<System.Func<System.ComponentModel.Composition.Primitives.ExportDefinition, bool>> Constraint { get { throw null; } }
        public virtual System.ComponentModel.Composition.CreationPolicy RequiredCreationPolicy { get { throw null; } }
        public virtual System.Collections.Generic.IEnumerable<System.Collections.Generic.KeyValuePair<string, System.Type>> RequiredMetadata { get { throw null; } }
        public virtual string? RequiredTypeIdentity { get { throw null; } }
        public override bool IsConstraintSatisfiedBy(System.ComponentModel.Composition.Primitives.ExportDefinition exportDefinition) { throw null; }
        public override string ToString() { throw null; }
    }
    public partial class Export
    {
        protected Export() { }
        public Export(System.ComponentModel.Composition.Primitives.ExportDefinition definition, System.Func<object?> exportedValueGetter) { }
        public Export(string contractName, System.Collections.Generic.IDictionary<string, object?>? metadata, System.Func<object?> exportedValueGetter) { }
        public Export(string contractName, System.Func<object?> exportedValueGetter) { }
        public virtual System.ComponentModel.Composition.Primitives.ExportDefinition Definition { get { throw null; } }
        public System.Collections.Generic.IDictionary<string, object?> Metadata { get { throw null; } }
        public object? Value { get { throw null; } }
        protected virtual object? GetExportedValueCore() { throw null; }
    }
    public partial class ExportDefinition
    {
        protected ExportDefinition() { }
        public ExportDefinition(string contractName, System.Collections.Generic.IDictionary<string, object?>? metadata) { }
        public virtual string ContractName { get { throw null; } }
        public virtual System.Collections.Generic.IDictionary<string, object?> Metadata { get { throw null; } }
        public override string ToString() { throw null; }
    }
    public partial class ExportedDelegate
    {
        protected ExportedDelegate() { }
        public ExportedDelegate(object? instance, System.Reflection.MethodInfo method) { }
        public virtual System.Delegate? CreateDelegate(System.Type delegateType) { throw null; }
    }
    public partial interface ICompositionElement
    {
        string DisplayName { get; }
        System.ComponentModel.Composition.Primitives.ICompositionElement? Origin { get; }
    }
    public enum ImportCardinality
    {
        ZeroOrOne = 0,
        ExactlyOne = 1,
        ZeroOrMore = 2,
    }
    public partial class ImportDefinition
    {
        protected ImportDefinition() { }
        public ImportDefinition(System.Linq.Expressions.Expression<System.Func<System.ComponentModel.Composition.Primitives.ExportDefinition, bool>> constraint, string? contractName, System.ComponentModel.Composition.Primitives.ImportCardinality cardinality, bool isRecomposable, bool isPrerequisite) { }
        public ImportDefinition(System.Linq.Expressions.Expression<System.Func<System.ComponentModel.Composition.Primitives.ExportDefinition, bool>> constraint, string? contractName, System.ComponentModel.Composition.Primitives.ImportCardinality cardinality, bool isRecomposable, bool isPrerequisite, System.Collections.Generic.IDictionary<string, object?>? metadata) { }
        public virtual System.ComponentModel.Composition.Primitives.ImportCardinality Cardinality { get { throw null; } }
        public virtual System.Linq.Expressions.Expression<System.Func<System.ComponentModel.Composition.Primitives.ExportDefinition, bool>> Constraint { get { throw null; } }
        public virtual string ContractName { get { throw null; } }
        public virtual bool IsPrerequisite { get { throw null; } }
        public virtual bool IsRecomposable { get { throw null; } }
        public virtual System.Collections.Generic.IDictionary<string, object?> Metadata { get { throw null; } }
        public virtual bool IsConstraintSatisfiedBy(System.ComponentModel.Composition.Primitives.ExportDefinition exportDefinition) { throw null; }
        public override string ToString() { throw null; }
    }
}
namespace System.ComponentModel.Composition.ReflectionModel
{
    public partial struct LazyMemberInfo
    {
        private object _dummy;
        private int _dummyPrimitive;
        public LazyMemberInfo(System.Reflection.MemberInfo member) { throw null; }
        public LazyMemberInfo(System.Reflection.MemberTypes memberType, System.Func<System.Reflection.MemberInfo[]> accessorsCreator) { throw null; }
        public LazyMemberInfo(System.Reflection.MemberTypes memberType, params System.Reflection.MemberInfo[] accessors) { throw null; }
        public System.Reflection.MemberTypes MemberType { get { throw null; } }
        public override bool Equals(object? obj) { throw null; }
        public System.Reflection.MemberInfo[] GetAccessors() { throw null; }
        public override int GetHashCode() { throw null; }
        public static bool operator ==(System.ComponentModel.Composition.ReflectionModel.LazyMemberInfo left, System.ComponentModel.Composition.ReflectionModel.LazyMemberInfo right) { throw null; }
        public static bool operator !=(System.ComponentModel.Composition.ReflectionModel.LazyMemberInfo left, System.ComponentModel.Composition.ReflectionModel.LazyMemberInfo right) { throw null; }
    }
    public static partial class ReflectionModelServices
    {
        public static System.ComponentModel.Composition.Primitives.ExportDefinition CreateExportDefinition(System.ComponentModel.Composition.ReflectionModel.LazyMemberInfo exportingMember, string contractName, System.Lazy<System.Collections.Generic.IDictionary<string, object?>> metadata, System.ComponentModel.Composition.Primitives.ICompositionElement? origin) { throw null; }
        public static System.ComponentModel.Composition.Primitives.ContractBasedImportDefinition CreateImportDefinition(System.ComponentModel.Composition.ReflectionModel.LazyMemberInfo importingMember, string contractName, string? requiredTypeIdentity, System.Collections.Generic.IEnumerable<System.Collections.Generic.KeyValuePair<string, System.Type>>? requiredMetadata, System.ComponentModel.Composition.Primitives.ImportCardinality cardinality, bool isRecomposable, bool isPreRequisite, System.ComponentModel.Composition.CreationPolicy requiredCreationPolicy, System.Collections.Generic.IDictionary<string, object?> metadata, bool isExportFactory, System.ComponentModel.Composition.Primitives.ICompositionElement? origin) { throw null; }
        public static System.ComponentModel.Composition.Primitives.ContractBasedImportDefinition CreateImportDefinition(System.ComponentModel.Composition.ReflectionModel.LazyMemberInfo importingMember, string contractName, string? requiredTypeIdentity, System.Collections.Generic.IEnumerable<System.Collections.Generic.KeyValuePair<string, System.Type>>? requiredMetadata, System.ComponentModel.Composition.Primitives.ImportCardinality cardinality, bool isRecomposable, System.ComponentModel.Composition.CreationPolicy requiredCreationPolicy, System.Collections.Generic.IDictionary<string, object?> metadata, bool isExportFactory, System.ComponentModel.Composition.Primitives.ICompositionElement? origin) { throw null; }
        public static System.ComponentModel.Composition.Primitives.ContractBasedImportDefinition CreateImportDefinition(System.ComponentModel.Composition.ReflectionModel.LazyMemberInfo importingMember, string contractName, string? requiredTypeIdentity, System.Collections.Generic.IEnumerable<System.Collections.Generic.KeyValuePair<string, System.Type>>? requiredMetadata, System.ComponentModel.Composition.Primitives.ImportCardinality cardinality, bool isRecomposable, System.ComponentModel.Composition.CreationPolicy requiredCreationPolicy, System.ComponentModel.Composition.Primitives.ICompositionElement? origin) { throw null; }
        public static System.ComponentModel.Composition.Primitives.ContractBasedImportDefinition CreateImportDefinition(System.Lazy<System.Reflection.ParameterInfo> parameter, string contractName, string? requiredTypeIdentity, System.Collections.Generic.IEnumerable<System.Collections.Generic.KeyValuePair<string, System.Type>>? requiredMetadata, System.ComponentModel.Composition.Primitives.ImportCardinality cardinality, System.ComponentModel.Composition.CreationPolicy requiredCreationPolicy, System.Collections.Generic.IDictionary<string, object?> metadata, bool isExportFactory, System.ComponentModel.Composition.Primitives.ICompositionElement? origin) { throw null; }
        public static System.ComponentModel.Composition.Primitives.ContractBasedImportDefinition CreateImportDefinition(System.Lazy<System.Reflection.ParameterInfo> parameter, string contractName, string? requiredTypeIdentity, System.Collections.Generic.IEnumerable<System.Collections.Generic.KeyValuePair<string, System.Type>>? requiredMetadata, System.ComponentModel.Composition.Primitives.ImportCardinality cardinality, System.ComponentModel.Composition.CreationPolicy requiredCreationPolicy, System.ComponentModel.Composition.Primitives.ICompositionElement? origin) { throw null; }
        public static System.ComponentModel.Composition.Primitives.ComposablePartDefinition CreatePartDefinition(System.Lazy<System.Type> partType, bool isDisposalRequired, System.Lazy<System.Collections.Generic.IEnumerable<System.ComponentModel.Composition.Primitives.ImportDefinition>>? imports, System.Lazy<System.Collections.Generic.IEnumerable<System.ComponentModel.Composition.Primitives.ExportDefinition>>? exports, System.Lazy<System.Collections.Generic.IDictionary<string, object?>>? metadata, System.ComponentModel.Composition.Primitives.ICompositionElement? origin) { throw null; }
        public static System.ComponentModel.Composition.Primitives.ContractBasedImportDefinition GetExportFactoryProductImportDefinition(System.ComponentModel.Composition.Primitives.ImportDefinition importDefinition) { throw null; }
        public static System.ComponentModel.Composition.ReflectionModel.LazyMemberInfo GetExportingMember(System.ComponentModel.Composition.Primitives.ExportDefinition exportDefinition) { throw null; }
        public static System.ComponentModel.Composition.ReflectionModel.LazyMemberInfo GetImportingMember(System.ComponentModel.Composition.Primitives.ImportDefinition importDefinition) { throw null; }
        public static System.Lazy<System.Reflection.ParameterInfo> GetImportingParameter(System.ComponentModel.Composition.Primitives.ImportDefinition importDefinition) { throw null; }
        public static System.Lazy<System.Type> GetPartType(System.ComponentModel.Composition.Primitives.ComposablePartDefinition partDefinition) { throw null; }
        public static bool IsDisposalRequired(System.ComponentModel.Composition.Primitives.ComposablePartDefinition partDefinition) { throw null; }
        public static bool IsExportFactoryImportDefinition(System.ComponentModel.Composition.Primitives.ImportDefinition importDefinition) { throw null; }
        public static bool IsImportingParameter(System.ComponentModel.Composition.Primitives.ImportDefinition importDefinition) { throw null; }
        public static bool TryMakeGenericPartDefinition(System.ComponentModel.Composition.Primitives.ComposablePartDefinition partDefinition, System.Collections.Generic.IEnumerable<System.Type> genericParameters, [System.Diagnostics.CodeAnalysis.NotNullWhenAttribute(true)] out System.ComponentModel.Composition.Primitives.ComposablePartDefinition? specialization) { throw null; }
    }
}