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Defines how a method is implemented.
Assembly: mscorlib (in mscorlib.dll)
|Specifies that the method implementation is in Microsoft intermediate language (MSIL).|
|Specifies that the method is implemented in native code.|
|Specifies that the method implementation is in optimized intermediate language (OPTIL).|
|Specifies that the method implementation is provided by the runtime.|
Used with MethodImplAttribute.
The classes in System.Runtime.CompilerServices are for compiler writers use only.