https://codeql.github.com/codeql-standard-libraries/csharp/semmle/code/csharp/exprs/Call.qll/predicate.Call$MutatorOperatorCall$isPrefix.0.html
isPrefix
API documentation for CodeQL
https://codeql.github.com/codeql-standard-libraries/javascript/semmle/javascript/JSDoc.qll/predicate.JSDoc$JSDocNullableTypeExpr$isPrefix.0.html
isPrefix
API documentation for CodeQL