private static void completeComponentName(Set<LookupElement> set, @NotNull PsiRecordComponent var, PrefixMatcher matcher) {
    FeatureUsageTracker.getInstance().triggerFeatureUsed("editing.completion.variable.name");

    Project project = var.getProject();
    JavaCodeStyleManager codeStyleManager = JavaCodeStyleManager.getInstance(project);

    SuggestedNameInfo suggestedNameInfo = codeStyleManager.suggestVariableName(VariableKind.PARAMETER, null, null, var.getType());
    String[] suggestedNames = suggestedNameInfo.names;
    addLookupItems(set, suggestedNameInfo, matcher, project, suggestedNames);
  }
private static void completeComponentName(Set<LookupElement> set, @NotNull PsiRecordComponent var, PrefixMatcher matcher)