docs: public ServiceEndpointPolicyDefinitionInner beginCreateOrUpdate(String resourceGroupName, String serviceEndpointPolicyName, String serviceEndpointPolicyDefinitionName, ServiceEndpointPolicyDefinitionInner serviceEndpointPolicyDefinitions) {
          return beginCreateOrUpdateWithServiceResponseAsync(resourceGroupName, serviceEndpointPolicyName, serviceEndpointPolicyDefinitionName, serviceEndpointPolicyDefinitions).toBlocking().single().body();
      }