public static void completeVariableNameForRefactoring(
     Project project,
     Set<LookupElement> set,
     String prefix,
     PsiType varType,
     VariableKind varKind) {
   final CamelHumpMatcher camelHumpMatcher = new CamelHumpMatcher(prefix);
   JavaMemberNameCompletionContributor.completeVariableNameForRefactoring(
       project, set, camelHumpMatcher, varType, varKind, true, false);
 }
 public static String[] completeVariableNameForRefactoring(
     JavaCodeStyleManager codeStyleManager,
     @Nullable final PsiType varType,
     final VariableKind varKind,
     SuggestedNameInfo suggestedNameInfo) {
   return JavaMemberNameCompletionContributor.completeVariableNameForRefactoring(
       codeStyleManager,
       new CamelHumpMatcher(""),
       varType,
       varKind,
       suggestedNameInfo,
       true,
       false);
 }