Specifies the true start and end of a method within a
source file. Use System.Diagnostics.SymbolStore.ISymbolWriter.SetMethodSourceRange(System.Diagnostics.SymbolStore.ISymbolDocumentWriter,System.Int32,System.Int32,System.Diagnostics.SymbolStore.ISymbolDocumentWriter,System.Int32,System.Int32)
to specify the extent of a method, independent of the sequence
points that exist within the method.