static CallHandler<CallChainSimplification> handler() {
      return CallHandler.of(STREAM_FOR_EACH, call -> {
        PsiMethodCallExpression qualifierCall = getQualifierMethodCall(call);
        if (qualifierCall == null || ExpressionUtils.getEffectiveQualifier(qualifierCall.getMethodExpression()) == null) return null;
        if (COLLECTION_STREAM.test(qualifierCall)) {
          return new ReplaceForEachMethodFix(call.getMethodExpression().getReferenceName(), FOR_EACH_METHOD, true);
        }
        if (OPTIONAL_STREAM.test(qualifierCall)) {
          return new ReplaceForEachMethodFix(call.getMethodExpression().getReferenceName(), IF_PRESENT_METHOD, false);
        }
        return null;
      });
    }
static CallHandler<CallChainSimplification> handler()