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28 lines
1.0 KiB
28 lines
1.0 KiB
3 years ago
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namespace ProtoBuf
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{
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/// <summary>
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/// Indicates that the implementing type has support for protocol-buffer
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/// <see cref="IExtension">extensions</see>.
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/// </summary>
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/// <remarks>Can be implemented by deriving from Extensible.</remarks>
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public interface IExtensible
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{
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/// <summary>
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/// Retrieves the <see cref="IExtension">extension</see> object for the current
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/// instance, optionally creating it if it does not already exist.
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/// </summary>
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/// <param name="createIfMissing">Should a new extension object be
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/// created if it does not already exist?</param>
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/// <returns>The extension object if it exists (or was created), or null
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/// if the extension object does not exist or is not available.</returns>
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/// <remarks>The <c>createIfMissing</c> argument is false during serialization,
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/// and true during deserialization upon encountering unexpected fields.</remarks>
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IExtension GetExtensionObject(bool createIfMissing);
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}
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}
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