CodeQL library for Java
codeql/java-all 0.5.2 (changelog, source)

Member predicate RefType::hasQualifiedName

Holds if this type is declared in a specified package with the specified name.

For nested types the name of the nested type is prefixed with a $ and appended to the name of the enclosing type, which might be a nested type as well.

predicate hasQualifiedName(string package, string type)