Base:
method
UnwrapCompoundAssignment
Microsoft.CodeAnalysis.ReplacePropertyWithMethods.AbstractReplacePropertyWithMethodsService<TIdentifierNameSyntax, TExpressionSyntax, TCrefSyntax, TStatementSyntax, TPropertySyntax>.UnwrapCompoundAssignment(Microsoft.CodeAnalysis.SyntaxNode, TExpressionSyntax)