public static boolean processImplementations(final PsiMethod psiMethod, final Processor<? super PsiElement> consumer,
                                               final SearchScope searchScope) {
    return processOverridingMethods(psiMethod, searchScope, consumer) &&
           FunctionalExpressionSearch.search(psiMethod, searchScope).forEach(consumer);
  }
public static boolean processImplementations(final PsiMethod psiMethod, final Processor<? super PsiElement> consumer,
                                               final SearchScope searchScope)