static void completeVariableNameForRefactoring(Project project,
                                                 Set<LookupElement> set,
                                                 PrefixMatcher matcher,
                                                 PsiType varType,
                                                 VariableKind varKind, boolean includeOverlapped, boolean methodPrefix) {
    JavaCodeStyleManager codeStyleManager = JavaCodeStyleManager.getInstance(project);
    SuggestedNameInfo suggestedNameInfo = codeStyleManager.suggestVariableName(varKind, null, null, varType);
    String[] strings = completeVariableNameForRefactoring(codeStyleManager, matcher, varType, varKind, suggestedNameInfo,
                                                                includeOverlapped, methodPrefix);
    addLookupItems(set, suggestedNameInfo, matcher, project, strings);
  }
static void completeVariableNameForRefactoring(Project project,
                                                 Set<LookupElement> set,
                                                 PrefixMatcher matcher,
                                                 PsiType varType,
                                                 VariableKind varKind, boolean includeOverlapped, boolean methodPrefix)