private PhoneNumbersClient(string endpoint, AzureKeyCredential keyCredential, PhoneNumbersClientOptions options)
     : this(endpoint, options.BuildHttpPipeline(keyCredential), options)
 {
 }
 private PhoneNumbersClient(string endpoint, TokenCredential tokenCredential, PhoneNumbersClientOptions options)
     : this(endpoint, options.BuildHttpPipeline(tokenCredential), options)
 {
 }
 private PhoneNumbersClient(ConnectionString connectionString, PhoneNumbersClientOptions options)
     : this(connectionString.GetRequired("endpoint"), options.BuildHttpPipeline(connectionString), options)
 {
 }