Microsoft.CodeAnalysis.UseConditionalExpression.AbstractUseConditionalExpressionForAssignmentCodeFixProvider<TStatementSyntax, TIfStatementSyntax, TLocalDeclarationStatementSyntax, TVariableDeclaratorSyntax, TExpressionSyntax, TConditionalExpressionSyntax>.GetDeclaratorSyntax(Microsoft.CodeAnalysis.Operations.IVariableDeclaratorOperation)