in javac-ast-extension/src/org/jetbrains/jps/javac/ast/JavacTreeRefScanner.java [327:332]
private static boolean isInheritorOrSelf(TypeMirror classType, TypeElement baseClass) {
if (classType != null && classType.getKind() != TypeKind.NONE) {
return isInheritorOrSelf((TypeElement)((DeclaredType) classType).asElement(), baseClass);
}
return false;
}