You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: firewallrules_client.go
    path of file: ./repos/azure-sdk-for-go/sdk/resourcemanager/sql/armsql
    
    the code of the file until where you have to start completion: //go:build go1.18
// +build go1.18

// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License. See License.txt in the project root for license information.
// Code generated by Microsoft (R) AutoRest Code Generator. DO NOT EDIT.
// Changes may cause incorrect behavior and will be lost if the code is regenerated.

package armsql

import (
	"context"
	"errors"
	"github.com/Azure/azure-sdk-for-go/sdk/azcore"
	"github.com/Azure/azure-sdk-for-go/sdk/azcore/arm"
	"github.com/Azure/azure-sdk-for-go/sdk/azcore/policy"
	"github.com/Azure/azure-sdk-for-go/sdk/azcore/runtime"
	"net/http"
	"net/url"
	"strings"
)

// FirewallRulesClient contains the methods for the FirewallRules group.
// Don't use this type directly, use NewFirewallRulesClient() instead.
type FirewallRulesClient struct {
	internal       *arm.Client
	subscriptionID string
}

// NewFirewallRulesClient creates a new instance of FirewallRulesClient with the specified values.
//   - subscriptionID - The subscription ID that identifies an Azure subscripti
    
func (client *FirewallRulesClient) listByServerCreateRequest(ctx context.Context, resourceGroupName string, serverName string, options *FirewallRulesClientListByServerOptions) (*policy.Request, error) {
	urlPath := "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Sql/servers/{serverName}/firewallRules"
	if resourceGroupName == "" {
		return nil, errors.New("parameter resourceGroupName cannot be empty")
	}
	urlPath = strings.ReplaceAll(urlPath, "{resourceGroupName}", url.PathEscape(resourceGroupName))
	if serverName == "" {
		return nil, errors.New("parameter serverName cannot be empty")
	}
	urlPath = strings.ReplaceAll(urlPath, "{serverName}", url.PathEscape(serverName))
	if client.subscriptionID == "" {
		return nil, errors.New("parameter client.subscriptionID cannot be empty")
	}
	urlPath = strings.ReplaceAll(urlPath, "{subscriptionId}", url.PathEscape(client.subscriptionID))
	req, err := runtime.NewRequest(ctx, http.MethodGet, runtime.JoinPaths(client.internal.Endpoint(), urlPath))
	if err != nil {
		return nil, err
	}
	reqQP := req.Raw().URL.Query()
	reqQP.Set("api-version", "2020-11-01-preview")
	req.Raw().URL.RawQuery = reqQP.Encode()
	req.Raw().Header["Accept"] = []string{"application/json"}
	return req, nil
}