public void setGrpcRetryEvents(java.util.Collection<String> grpcRetryEvents) {
        if (grpcRetryEvents == null) {
            this.grpcRetryEvents = null;
            return;
        }

        this.grpcRetryEvents = new java.util.ArrayList<String>(grpcRetryEvents);
    }
<p>
Specify at least one of the valid values.
</p>

@param grpcRetryEvents
       Specify at least one of the valid values.
@see GrpcRetryPolicyEvent
aws-java-sdk-appmesh/src/main/java/com/amazonaws/services/appmesh/model/GrpcRetryPolicy.java