@@ -476,7 +476,7 @@ private function validateCallConfig(string $methodName)
476476 /**
477477 * @param string $methodName
478478 * @param Message $request
479- * @param array $optionalArgs {
479+ * @param array $callOptions {
480480 * Call Options
481481 *
482482 * @type array $headers [optional] key-value array containing headers
@@ -492,7 +492,7 @@ private function validateCallConfig(string $methodName)
492492 private function startAsyncCall (
493493 string $ methodName ,
494494 Message $ request ,
495- array $ optionalArgs = []
495+ array $ callOptions = []
496496 ) {
497497 // Convert method name to the UpperCamelCase of RPC names from lowerCamelCase of GAPIC method names
498498 // in order to find the method in the descriptor config.
@@ -505,7 +505,7 @@ private function startAsyncCall(
505505 case Call::PAGINATED_CALL :
506506 return $ this ->getPagedListResponseAsync (
507507 $ methodName ,
508- $ optionalArgs ,
508+ $ callOptions ,
509509 $ methodDescriptors ['responseType ' ],
510510 $ request ,
511511 $ methodDescriptors ['interfaceOverride ' ] ?? $ this ->serviceName
@@ -517,13 +517,13 @@ private function startAsyncCall(
517517 "' $ methodName' is not supported for async execution. " );
518518 }
519519
520- return $ this ->startApiCall ($ methodName , $ request , $ optionalArgs );
520+ return $ this ->startApiCall ($ methodName , $ request , $ callOptions );
521521 }
522522
523523 /**
524524 * @param string $methodName
525525 * @param Message $request
526- * @param array $optionalArgs {
526+ * @param array $callOptions {
527527 * Call Options
528528 *
529529 * @type array $headers [optional] key-value array containing headers
@@ -540,7 +540,7 @@ private function startAsyncCall(
540540 private function startApiCall (
541541 string $ methodName ,
542542 ?Message $ request = null ,
543- array $ optionalArgs = []
543+ array $ callOptions = []
544544 ) {
545545 $ methodDescriptors = $ this ->validateCallConfig ($ methodName );
546546 $ callType = $ methodDescriptors ['callType ' ];
@@ -549,7 +549,7 @@ private function startApiCall(
549549 // which take precedence.
550550 $ headerParams = $ methodDescriptors ['headerParams ' ] ?? [];
551551 $ requestHeaders = $ this ->buildRequestParamsHeader ($ headerParams , $ request );
552- $ optionalArgs ['headers ' ] = array_merge ($ requestHeaders , $ optionalArgs ['headers ' ] ?? []);
552+ $ callOptions ['headers ' ] = array_merge ($ requestHeaders , $ callOptions ['headers ' ] ?? []);
553553
554554 // Default the interface name, if not set, to the client's protobuf service name.
555555 $ interfaceName = $ methodDescriptors ['interfaceOverride ' ] ?? $ this ->serviceName ;
@@ -558,7 +558,7 @@ private function startApiCall(
558558 if ($ callType == Call::LONGRUNNING_CALL ) {
559559 return $ this ->startOperationsCall (
560560 $ methodName ,
561- $ optionalArgs ,
561+ $ callOptions ,
562562 $ request ,
563563 $ this ->getOperationsClient (),
564564 $ interfaceName ,
@@ -572,17 +572,17 @@ private function startApiCall(
572572 $ decodeType = $ methodDescriptors ['responseType ' ];
573573
574574 if ($ callType == Call::PAGINATED_CALL ) {
575- return $ this ->getPagedListResponse ($ methodName , $ optionalArgs , $ decodeType , $ request , $ interfaceName );
575+ return $ this ->getPagedListResponse ($ methodName , $ callOptions , $ decodeType , $ request , $ interfaceName );
576576 }
577577
578578 // Unary, and all Streaming types handled by startCall.
579- return $ this ->startCall ($ methodName , $ decodeType , $ optionalArgs , $ request , $ callType , $ interfaceName );
579+ return $ this ->startCall ($ methodName , $ decodeType , $ callOptions , $ request , $ callType , $ interfaceName );
580580 }
581581
582582 /**
583583 * @param string $methodName
584584 * @param string $decodeType
585- * @param array $optionalArgs {
585+ * @param array $callOptions {
586586 * Call Options
587587 *
588588 * @type array $headers [optional] key-value array containing headers
@@ -600,14 +600,14 @@ private function startApiCall(
600600 private function startCall (
601601 string $ methodName ,
602602 string $ decodeType ,
603- array $ optionalArgs = [],
603+ array $ callOptions = [],
604604 ?Message $ request = null ,
605605 int $ callType = Call::UNARY_CALL ,
606606 ?string $ interfaceName = null
607607 ) {
608- $ optionalArgs = $ this ->configureCallOptions ($ optionalArgs );
608+ $ callOptions = $ this ->configureCallOptions ($ callOptions );
609609 $ callStack = $ this ->createCallStack (
610- $ this ->configureCallConstructionOptions ($ methodName , $ optionalArgs )
610+ $ this ->configureCallConstructionOptions ($ methodName , $ callOptions )
611611 );
612612
613613 $ descriptor = $ this ->descriptors [$ methodName ]['grpcStreaming ' ] ?? null ;
@@ -630,7 +630,7 @@ private function startCall(
630630 break ;
631631 }
632632
633- return $ callStack ($ call , $ optionalArgs + array_filter ([
633+ return $ callStack ($ call , $ callOptions + array_filter ([
634634 'audience ' => self ::getDefaultAudience ()
635635 ]));
636636 }
@@ -692,7 +692,7 @@ private function createCallStack(array $callConstructionOptions)
692692
693693 /**
694694 * @param string $methodName
695- * @param array $optionalArgs {
695+ * @param array $callOptions {
696696 * Optional arguments
697697 *
698698 * @type RetrySettings|array $retrySettings [optional] A retry settings
@@ -701,17 +701,17 @@ private function createCallStack(array $callConstructionOptions)
701701 *
702702 * @return array
703703 */
704- private function configureCallConstructionOptions (string $ methodName , array $ optionalArgs )
704+ private function configureCallConstructionOptions (string $ methodName , array $ callOptions )
705705 {
706706 $ retrySettings = $ this ->retrySettings [$ methodName ];
707707 $ autoPopulatedFields = $ this ->descriptors [$ methodName ]['autoPopulatedFields ' ] ?? [];
708708 // Allow for retry settings to be changed at call time
709- if (isset ($ optionalArgs ['retrySettings ' ])) {
710- if ($ optionalArgs ['retrySettings ' ] instanceof RetrySettings) {
711- $ retrySettings = $ optionalArgs ['retrySettings ' ];
709+ if (isset ($ callOptions ['retrySettings ' ])) {
710+ if ($ callOptions ['retrySettings ' ] instanceof RetrySettings) {
711+ $ retrySettings = $ callOptions ['retrySettings ' ];
712712 } else {
713713 $ retrySettings = $ retrySettings ->with (
714- $ optionalArgs ['retrySettings ' ]
714+ $ callOptions ['retrySettings ' ]
715715 );
716716 }
717717 }
@@ -724,18 +724,18 @@ private function configureCallConstructionOptions(string $methodName, array $opt
724724 /**
725725 * @return array
726726 */
727- private function configureCallOptions (array $ optionalArgs ): array
727+ private function configureCallOptions (array $ callOptions ): array
728728 {
729729 if ($ this ->isBackwardsCompatibilityMode ()) {
730- return $ optionalArgs ;
730+ return $ callOptions ;
731731 }
732732 // cast to CallOptions for new surfaces only
733- return (new CallOptions ($ optionalArgs ))->toArray ();
733+ return (new CallOptions ($ callOptions ))->toArray ();
734734 }
735735
736736 /**
737737 * @param string $methodName
738- * @param array $optionalArgs {
738+ * @param array $callOptions {
739739 * Call Options
740740 *
741741 * @type array $headers [optional] key-value array containing headers
@@ -752,15 +752,15 @@ private function configureCallOptions(array $optionalArgs): array
752752 */
753753 private function startOperationsCall (
754754 string $ methodName ,
755- array $ optionalArgs ,
755+ array $ callOptions ,
756756 Message $ request ,
757757 $ client ,
758758 ?string $ interfaceName = null ,
759759 ?string $ operationClass = null
760760 ) {
761- $ optionalArgs = $ this ->configureCallOptions ($ optionalArgs );
761+ $ callOptions = $ this ->configureCallOptions ($ callOptions );
762762 $ callStack = $ this ->createCallStack (
763- $ this ->configureCallConstructionOptions ($ methodName , $ optionalArgs )
763+ $ this ->configureCallConstructionOptions ($ methodName , $ callOptions )
764764 );
765765 $ descriptor = $ this ->descriptors [$ methodName ]['longRunning ' ];
766766 $ metadataReturnType = null ;
@@ -791,15 +791,15 @@ private function startOperationsCall(
791791 );
792792
793793 $ this ->modifyUnaryCallable ($ callStack );
794- return $ callStack ($ call , $ optionalArgs + array_filter ([
794+ return $ callStack ($ call , $ callOptions + array_filter ([
795795 'metadataReturnType ' => $ metadataReturnType ,
796796 'audience ' => self ::getDefaultAudience ()
797797 ]));
798798 }
799799
800800 /**
801801 * @param string $methodName
802- * @param array $optionalArgs
802+ * @param array $callOptions
803803 * @param string $decodeType
804804 * @param Message $request
805805 * @param string $interfaceName
@@ -808,14 +808,14 @@ private function startOperationsCall(
808808 */
809809 private function getPagedListResponse (
810810 string $ methodName ,
811- array $ optionalArgs ,
811+ array $ callOptions ,
812812 string $ decodeType ,
813813 Message $ request ,
814814 ?string $ interfaceName = null
815815 ) {
816816 return $ this ->getPagedListResponseAsync (
817817 $ methodName ,
818- $ optionalArgs ,
818+ $ callOptions ,
819819 $ decodeType ,
820820 $ request ,
821821 $ interfaceName
@@ -824,7 +824,7 @@ private function getPagedListResponse(
824824
825825 /**
826826 * @param string $methodName
827- * @param array $optionalArgs
827+ * @param array $callOptions
828828 * @param string $decodeType
829829 * @param Message $request
830830 * @param string $interfaceName
@@ -833,14 +833,14 @@ private function getPagedListResponse(
833833 */
834834 private function getPagedListResponseAsync (
835835 string $ methodName ,
836- array $ optionalArgs ,
836+ array $ callOptions ,
837837 string $ decodeType ,
838838 Message $ request ,
839839 ?string $ interfaceName = null
840840 ) {
841- $ optionalArgs = $ this ->configureCallOptions ($ optionalArgs );
841+ $ callOptions = $ this ->configureCallOptions ($ callOptions );
842842 $ callStack = $ this ->createCallStack (
843- $ this ->configureCallConstructionOptions ($ methodName , $ optionalArgs )
843+ $ this ->configureCallConstructionOptions ($ methodName , $ callOptions )
844844 );
845845 $ descriptor = new PageStreamingDescriptor (
846846 $ this ->descriptors [$ methodName ]['pageStreaming ' ]
@@ -856,7 +856,7 @@ private function getPagedListResponseAsync(
856856 );
857857
858858 $ this ->modifyUnaryCallable ($ callStack );
859- return $ callStack ($ call , $ optionalArgs + array_filter ([
859+ return $ callStack ($ call , $ callOptions + array_filter ([
860860 'audience ' => self ::getDefaultAudience ()
861861 ]));
862862 }
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