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				|  |  | +#region Copyright notice and license
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				|  |  | +
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				|  |  | +// Copyright 2015-2016 gRPC authors.
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				|  |  | +//
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				|  |  | +// Licensed under the Apache License, Version 2.0 (the "License");
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				|  |  | +// you may not use this file except in compliance with the License.
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				|  |  | +// You may obtain a copy of the License at
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				|  |  | +//
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				|  |  | +//     http://www.apache.org/licenses/LICENSE-2.0
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				|  |  | +//
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				|  |  | +// Unless required by applicable law or agreed to in writing, software
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				|  |  | +// distributed under the License is distributed on an "AS IS" BASIS,
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				|  |  | +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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				|  |  | +// See the License for the specific language governing permissions and
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				|  |  | +// limitations under the License.
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				|  |  | +
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				|  |  | +#endregion
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				|  |  | +
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				|  |  | +// Content of this file is copied with permission from:
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				|  |  | +// https://github.com/dotnet/runtime/tree/e2e43f44f1032780fa7c2bb965153c9da615c3d0/src/libraries/System.Private.CoreLib/src/System/Diagnostics/CodeAnalysis
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				|  |  | +// These types are intented to be added as internalized source to libraries and apps that want to
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				|  |  | +// use them without requiring a dependency on .NET 5.
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				|  |  | +
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				|  |  | +namespace System.Diagnostics.CodeAnalysis
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				|  |  | +{
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				|  |  | +    /// <summary>
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				|  |  | +    /// Indicates that certain members on a specified <see cref="Type"/> are accessed dynamically,
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				|  |  | +    /// for example through <see cref="System.Reflection"/>.
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				|  |  | +    /// </summary>
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				|  |  | +    /// <remarks>
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				|  |  | +    /// This allows tools to understand which members are being accessed during the execution
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				|  |  | +    /// of a program.
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				|  |  | +    ///
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				|  |  | +    /// This attribute is valid on members whose type is <see cref="Type"/> or <see cref="string"/>.
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				|  |  | +    ///
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				|  |  | +    /// When this attribute is applied to a location of type <see cref="string"/>, the assumption is
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				|  |  | +    /// that the string represents a fully qualified type name.
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				|  |  | +    ///
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				|  |  | +    /// If the attribute is applied to a method it's treated as a special case and it implies
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				|  |  | +    /// the attribute should be applied to the "this" parameter of the method. As such the attribute
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				|  |  | +    /// should only be used on instance methods of types assignable to System.Type (or string, but no methods
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				|  |  | +    /// will use it there).
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				|  |  | +    /// </remarks>
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				|  |  | +    [AttributeUsage(
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				|  |  | +        AttributeTargets.Field | AttributeTargets.ReturnValue | AttributeTargets.GenericParameter |
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				|  |  | +        AttributeTargets.Parameter | AttributeTargets.Property | AttributeTargets.Method,
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				|  |  | +        Inherited = false)]
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				|  |  | +    internal sealed class DynamicallyAccessedMembersAttribute : Attribute
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				|  |  | +    {
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				|  |  | +        /// <summary>
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				|  |  | +        /// Initializes a new instance of the <see cref="DynamicallyAccessedMembersAttribute"/> class
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				|  |  | +        /// with the specified member types.
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				|  |  | +        /// </summary>
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				|  |  | +        /// <param name="memberTypes">The types of members dynamically accessed.</param>
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				|  |  | +        public DynamicallyAccessedMembersAttribute(DynamicallyAccessedMemberTypes memberTypes)
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				|  |  | +        {
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				|  |  | +            MemberTypes = memberTypes;
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				|  |  | +        }
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				|  |  | +
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				|  |  | +        /// <summary>
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				|  |  | +        /// Gets the <see cref="DynamicallyAccessedMemberTypes"/> which specifies the type
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				|  |  | +        /// of members dynamically accessed.
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				|  |  | +        /// </summary>
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				|  |  | +        public DynamicallyAccessedMemberTypes MemberTypes { get; }
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				|  |  | +    }
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				|  |  | +
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				|  |  | +    /// <summary>
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				|  |  | +    /// Specifies the types of members that are dynamically accessed.
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				|  |  | +    ///
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				|  |  | +    /// This enumeration has a <see cref="FlagsAttribute"/> attribute that allows a
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				|  |  | +    /// bitwise combination of its member values.
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				|  |  | +    /// </summary>
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				|  |  | +    [Flags]
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				|  |  | +    internal enum DynamicallyAccessedMemberTypes
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				|  |  | +    {
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				|  |  | +        /// <summary>
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				|  |  | +        /// Specifies no members.
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				|  |  | +        /// </summary>
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				|  |  | +        None = 0,
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				|  |  | +
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				|  |  | +        /// <summary>
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				|  |  | +        /// Specifies the default, parameterless public constructor.
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				|  |  | +        /// </summary>
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				|  |  | +        PublicParameterlessConstructor = 0x0001,
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				|  |  | +
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				|  |  | +        /// <summary>
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				|  |  | +        /// Specifies all public constructors.
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				|  |  | +        /// </summary>
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				|  |  | +        PublicConstructors = 0x0002 | PublicParameterlessConstructor,
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				|  |  | +
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				|  |  | +        /// <summary>
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				|  |  | +        /// Specifies all non-public constructors.
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				|  |  | +        /// </summary>
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				|  |  | +        NonPublicConstructors = 0x0004,
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				|  |  | +
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				|  |  | +        /// <summary>
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				|  |  | +        /// Specifies all public methods.
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				|  |  | +        /// </summary>
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				|  |  | +        PublicMethods = 0x0008,
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				|  |  | +
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				|  |  | +        /// <summary>
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				|  |  | +        /// Specifies all non-public methods.
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				|  |  | +        /// </summary>
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				|  |  | +        NonPublicMethods = 0x0010,
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				|  |  | +
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				|  |  | +        /// <summary>
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				|  |  | +        /// Specifies all public fields.
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				|  |  | +        /// </summary>
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				|  |  | +        PublicFields = 0x0020,
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				|  |  | +
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				|  |  | +        /// <summary>
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				|  |  | +        /// Specifies all non-public fields.
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				|  |  | +        /// </summary>
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				|  |  | +        NonPublicFields = 0x0040,
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				|  |  | +
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				|  |  | +        /// <summary>
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				|  |  | +        /// Specifies all public nested types.
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				|  |  | +        /// </summary>
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				|  |  | +        PublicNestedTypes = 0x0080,
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				|  |  | +
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				|  |  | +        /// <summary>
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				|  |  | +        /// Specifies all non-public nested types.
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				|  |  | +        /// </summary>
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				|  |  | +        NonPublicNestedTypes = 0x0100,
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				|  |  | +
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				|  |  | +        /// <summary>
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				|  |  | +        /// Specifies all public properties.
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				|  |  | +        /// </summary>
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				|  |  | +        PublicProperties = 0x0200,
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				|  |  | +
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				|  |  | +        /// <summary>
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				|  |  | +        /// Specifies all non-public properties.
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				|  |  | +        /// </summary>
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				|  |  | +        NonPublicProperties = 0x0400,
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				|  |  | +
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				|  |  | +        /// <summary>
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				|  |  | +        /// Specifies all public events.
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				|  |  | +        /// </summary>
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				|  |  | +        PublicEvents = 0x0800,
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				|  |  | +
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				|  |  | +        /// <summary>
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				|  |  | +        /// Specifies all non-public events.
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				|  |  | +        /// </summary>
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				|  |  | +        NonPublicEvents = 0x1000,
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				|  |  | +
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				|  |  | +        /// <summary>
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				|  |  | +        /// Specifies all members.
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				|  |  | +        /// </summary>
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				|  |  | +        All = ~None
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				|  |  | +    }
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				|  |  | +}
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