Microsoft.CodeAnalysis.CSharp.ExpressionVariableFinder<TFieldOrLocalSymbol>.MakeDeclarationExpressionVariable(Microsoft.CodeAnalysis.CSharp.Syntax.DeclarationExpressionSyntax, Microsoft.CodeAnalysis.CSharp.Syntax.SingleVariableDesignationSyntax, Microsoft.CodeAnalysis.CSharp.Syntax.BaseArgumentListSyntax, Microsoft.CodeAnalysis.SyntaxNode)