fix: make request optional in all cases

src/v1/applications_client.ts

@@ -342,7 +342,7 @@ export class ApplicationsClient {
   // -- Service calls --
   // -------------------
   getApplication(
-    request: protos.google.appengine.v1.IGetApplicationRequest,
+    request?: protos.google.appengine.v1.IGetApplicationRequest,
     options?: CallOptions
   ): Promise<
     [
@@ -386,7 +386,7 @@ export class ApplicationsClient {
    * const [response] = await client.getApplication(request);
    */
   getApplication(
-    request: protos.google.appengine.v1.IGetApplicationRequest,
+    request?: protos.google.appengine.v1.IGetApplicationRequest,
     optionsOrCallback?:
       | CallOptions
       | Callback<
@@ -426,7 +426,7 @@ export class ApplicationsClient {
   }
 
   createApplication(
-    request: protos.google.appengine.v1.ICreateApplicationRequest,
+    request?: protos.google.appengine.v1.ICreateApplicationRequest,
     options?: CallOptions
   ): Promise<
     [
@@ -488,7 +488,7 @@ export class ApplicationsClient {
    * const [response] = await operation.promise();
    */
   createApplication(
-    request: protos.google.appengine.v1.ICreateApplicationRequest,
+    request?: protos.google.appengine.v1.ICreateApplicationRequest,
     optionsOrCallback?:
       | CallOptions
       | Callback<
@@ -567,7 +567,7 @@ export class ApplicationsClient {
     >;
   }
   updateApplication(
-    request: protos.google.appengine.v1.IUpdateApplicationRequest,
+    request?: protos.google.appengine.v1.IUpdateApplicationRequest,
     options?: CallOptions
   ): Promise<
     [
@@ -631,7 +631,7 @@ export class ApplicationsClient {
    * const [response] = await operation.promise();
    */
   updateApplication(
-    request: protos.google.appengine.v1.IUpdateApplicationRequest,
+    request?: protos.google.appengine.v1.IUpdateApplicationRequest,
     optionsOrCallback?:
       | CallOptions
       | Callback<
@@ -716,7 +716,7 @@ export class ApplicationsClient {
     >;
   }
   repairApplication(
-    request: protos.google.appengine.v1.IRepairApplicationRequest,
+    request?: protos.google.appengine.v1.IRepairApplicationRequest,
     options?: CallOptions
   ): Promise<
     [
@@ -781,7 +781,7 @@ export class ApplicationsClient {
    * const [response] = await operation.promise();
    */
   repairApplication(
-    request: protos.google.appengine.v1.IRepairApplicationRequest,
+    request?: protos.google.appengine.v1.IRepairApplicationRequest,
     optionsOrCallback?:
       | CallOptions
       | Callback<

src/v1/authorized_certificates_client.ts

@@ -309,7 +309,7 @@ export class AuthorizedCertificatesClient {
   // -- Service calls --
   // -------------------
   getAuthorizedCertificate(
-    request: protos.google.appengine.v1.IGetAuthorizedCertificateRequest,
+    request?: protos.google.appengine.v1.IGetAuthorizedCertificateRequest,
     options?: CallOptions
   ): Promise<
     [
@@ -360,7 +360,7 @@ export class AuthorizedCertificatesClient {
    * const [response] = await client.getAuthorizedCertificate(request);
    */
   getAuthorizedCertificate(
-    request: protos.google.appengine.v1.IGetAuthorizedCertificateRequest,
+    request?: protos.google.appengine.v1.IGetAuthorizedCertificateRequest,
     optionsOrCallback?:
       | CallOptions
       | Callback<
@@ -407,7 +407,7 @@ export class AuthorizedCertificatesClient {
     );
   }
   createAuthorizedCertificate(
-    request: protos.google.appengine.v1.ICreateAuthorizedCertificateRequest,
+    request?: protos.google.appengine.v1.ICreateAuthorizedCertificateRequest,
     options?: CallOptions
   ): Promise<
     [
@@ -460,7 +460,7 @@ export class AuthorizedCertificatesClient {
    * const [response] = await client.createAuthorizedCertificate(request);
    */
   createAuthorizedCertificate(
-    request: protos.google.appengine.v1.ICreateAuthorizedCertificateRequest,
+    request?: protos.google.appengine.v1.ICreateAuthorizedCertificateRequest,
     optionsOrCallback?:
       | CallOptions
       | Callback<
@@ -510,7 +510,7 @@ export class AuthorizedCertificatesClient {
     );
   }
   updateAuthorizedCertificate(
-    request: protos.google.appengine.v1.IUpdateAuthorizedCertificateRequest,
+    request?: protos.google.appengine.v1.IUpdateAuthorizedCertificateRequest,
     options?: CallOptions
   ): Promise<
     [
@@ -572,7 +572,7 @@ export class AuthorizedCertificatesClient {
    * const [response] = await client.updateAuthorizedCertificate(request);
    */
   updateAuthorizedCertificate(
-    request: protos.google.appengine.v1.IUpdateAuthorizedCertificateRequest,
+    request?: protos.google.appengine.v1.IUpdateAuthorizedCertificateRequest,
     optionsOrCallback?:
       | CallOptions
       | Callback<
@@ -622,7 +622,7 @@ export class AuthorizedCertificatesClient {
     );
   }
   deleteAuthorizedCertificate(
-    request: protos.google.appengine.v1.IDeleteAuthorizedCertificateRequest,
+    request?: protos.google.appengine.v1.IDeleteAuthorizedCertificateRequest,
     options?: CallOptions
   ): Promise<
     [
@@ -674,7 +674,7 @@ export class AuthorizedCertificatesClient {
    * const [response] = await client.deleteAuthorizedCertificate(request);
    */
   deleteAuthorizedCertificate(
-    request: protos.google.appengine.v1.IDeleteAuthorizedCertificateRequest,
+    request?: protos.google.appengine.v1.IDeleteAuthorizedCertificateRequest,
     optionsOrCallback?:
       | CallOptions
       | Callback<
@@ -725,7 +725,7 @@ export class AuthorizedCertificatesClient {
   }
 
   listAuthorizedCertificates(
-    request: protos.google.appengine.v1.IListAuthorizedCertificatesRequest,
+    request?: protos.google.appengine.v1.IListAuthorizedCertificatesRequest,
     options?: CallOptions
   ): Promise<
     [
@@ -782,7 +782,7 @@ export class AuthorizedCertificatesClient {
    *   for more details and examples.
    */
   listAuthorizedCertificates(
-    request: protos.google.appengine.v1.IListAuthorizedCertificatesRequest,
+    request?: protos.google.appengine.v1.IListAuthorizedCertificatesRequest,
     optionsOrCallback?:
       | CallOptions
       | PaginationCallback<

src/v1/authorized_domains_client.ts

@@ -304,7 +304,7 @@ export class AuthorizedDomainsClient {
   // -------------------
 
   listAuthorizedDomains(
-    request: protos.google.appengine.v1.IListAuthorizedDomainsRequest,
+    request?: protos.google.appengine.v1.IListAuthorizedDomainsRequest,
     options?: CallOptions
   ): Promise<
     [
@@ -359,7 +359,7 @@ export class AuthorizedDomainsClient {
    *   for more details and examples.
    */
   listAuthorizedDomains(
-    request: protos.google.appengine.v1.IListAuthorizedDomainsRequest,
+    request?: protos.google.appengine.v1.IListAuthorizedDomainsRequest,
     optionsOrCallback?:
       | CallOptions
       | PaginationCallback<

src/v1/domain_mappings_client.ts

@@ -361,7 +361,7 @@ export class DomainMappingsClient {
   // -- Service calls --
   // -------------------
   getDomainMapping(
-    request: protos.google.appengine.v1.IGetDomainMappingRequest,
+    request?: protos.google.appengine.v1.IGetDomainMappingRequest,
     options?: CallOptions
   ): Promise<
     [
@@ -406,7 +406,7 @@ export class DomainMappingsClient {
    * const [response] = await client.getDomainMapping(request);
    */
   getDomainMapping(
-    request: protos.google.appengine.v1.IGetDomainMappingRequest,
+    request?: protos.google.appengine.v1.IGetDomainMappingRequest,
     optionsOrCallback?:
       | CallOptions
       | Callback<
@@ -448,7 +448,7 @@ export class DomainMappingsClient {
   }
 
   createDomainMapping(
-    request: protos.google.appengine.v1.ICreateDomainMappingRequest,
+    request?: protos.google.appengine.v1.ICreateDomainMappingRequest,
     options?: CallOptions
   ): Promise<
     [
@@ -511,7 +511,7 @@ export class DomainMappingsClient {
    * const [response] = await operation.promise();
    */
   createDomainMapping(
-    request: protos.google.appengine.v1.ICreateDomainMappingRequest,
+    request?: protos.google.appengine.v1.ICreateDomainMappingRequest,
     optionsOrCallback?:
       | CallOptions
       | Callback<
@@ -596,7 +596,7 @@ export class DomainMappingsClient {
     >;
   }
   updateDomainMapping(
-    request: protos.google.appengine.v1.IUpdateDomainMappingRequest,
+    request?: protos.google.appengine.v1.IUpdateDomainMappingRequest,
     options?: CallOptions
   ): Promise<
     [
@@ -661,7 +661,7 @@ export class DomainMappingsClient {
    * const [response] = await operation.promise();
    */
   updateDomainMapping(
-    request: protos.google.appengine.v1.IUpdateDomainMappingRequest,
+    request?: protos.google.appengine.v1.IUpdateDomainMappingRequest,
     optionsOrCallback?:
       | CallOptions
       | Callback<
@@ -746,7 +746,7 @@ export class DomainMappingsClient {
     >;
   }
   deleteDomainMapping(
-    request: protos.google.appengine.v1.IDeleteDomainMappingRequest,
+    request?: protos.google.appengine.v1.IDeleteDomainMappingRequest,
     options?: CallOptions
   ): Promise<
     [
@@ -805,7 +805,7 @@ export class DomainMappingsClient {
    * const [response] = await operation.promise();
    */
   deleteDomainMapping(
-    request: protos.google.appengine.v1.IDeleteDomainMappingRequest,
+    request?: protos.google.appengine.v1.IDeleteDomainMappingRequest,
     optionsOrCallback?:
       | CallOptions
       | Callback<
@@ -890,7 +890,7 @@ export class DomainMappingsClient {
     >;
   }
   listDomainMappings(
-    request: protos.google.appengine.v1.IListDomainMappingsRequest,
+    request?: protos.google.appengine.v1.IListDomainMappingsRequest,
     options?: CallOptions
   ): Promise<
     [
@@ -941,7 +941,7 @@ export class DomainMappingsClient {
    *   for more details and examples.
    */
   listDomainMappings(
-    request: protos.google.appengine.v1.IListDomainMappingsRequest,
+    request?: protos.google.appengine.v1.IListDomainMappingsRequest,
     optionsOrCallback?:
       | CallOptions
       | PaginationCallback<

src/v1/firewall_client.ts

@@ -317,7 +317,7 @@ export class FirewallClient {
   // -- Service calls --
   // -------------------
   batchUpdateIngressRules(
-    request: protos.google.appengine.v1.IBatchUpdateIngressRulesRequest,
+    request?: protos.google.appengine.v1.IBatchUpdateIngressRulesRequest,
     options?: CallOptions
   ): Promise<
     [
@@ -372,7 +372,7 @@ export class FirewallClient {
    * const [response] = await client.batchUpdateIngressRules(request);
    */
   batchUpdateIngressRules(
-    request: protos.google.appengine.v1.IBatchUpdateIngressRulesRequest,
+    request?: protos.google.appengine.v1.IBatchUpdateIngressRulesRequest,
     optionsOrCallback?:
       | CallOptions
       | Callback<
@@ -419,7 +419,7 @@ export class FirewallClient {
     );
   }
   createIngressRule(
-    request: protos.google.appengine.v1.ICreateIngressRuleRequest,
+    request?: protos.google.appengine.v1.ICreateIngressRuleRequest,
     options?: CallOptions
   ): Promise<
     [
@@ -475,7 +475,7 @@ export class FirewallClient {
    * const [response] = await client.createIngressRule(request);
    */
   createIngressRule(
-    request: protos.google.appengine.v1.ICreateIngressRuleRequest,
+    request?: protos.google.appengine.v1.ICreateIngressRuleRequest,
     optionsOrCallback?:
       | CallOptions
       | Callback<
@@ -516,7 +516,7 @@ export class FirewallClient {
     return this.innerApiCalls.createIngressRule(request, options, callback);
   }
   getIngressRule(
-    request: protos.google.appengine.v1.IGetIngressRuleRequest,
+    request?: protos.google.appengine.v1.IGetIngressRuleRequest,
     options?: CallOptions
   ): Promise<
     [
@@ -561,7 +561,7 @@ export class FirewallClient {
    * const [response] = await client.getIngressRule(request);
    */
   getIngressRule(
-    request: protos.google.appengine.v1.IGetIngressRuleRequest,
+    request?: protos.google.appengine.v1.IGetIngressRuleRequest,
     optionsOrCallback?:
       | CallOptions
       | Callback<
@@ -600,7 +600,7 @@ export class FirewallClient {
     return this.innerApiCalls.getIngressRule(request, options, callback);
   }
   updateIngressRule(
-    request: protos.google.appengine.v1.IUpdateIngressRuleRequest,
+    request?: protos.google.appengine.v1.IUpdateIngressRuleRequest,
     options?: CallOptions
   ): Promise<
     [
@@ -649,7 +649,7 @@ export class FirewallClient {
    * const [response] = await client.updateIngressRule(request);
    */
   updateIngressRule(
-    request: protos.google.appengine.v1.IUpdateIngressRuleRequest,
+    request?: protos.google.appengine.v1.IUpdateIngressRuleRequest,
     optionsOrCallback?:
       | CallOptions
       | Callback<
@@ -690,7 +690,7 @@ export class FirewallClient {
     return this.innerApiCalls.updateIngressRule(request, options, callback);
   }
   deleteIngressRule(
-    request: protos.google.appengine.v1.IDeleteIngressRuleRequest,
+    request?: protos.google.appengine.v1.IDeleteIngressRuleRequest,
     options?: CallOptions
   ): Promise<
     [
@@ -735,7 +735,7 @@ export class FirewallClient {
    * const [response] = await client.deleteIngressRule(request);
    */
   deleteIngressRule(
-    request: protos.google.appengine.v1.IDeleteIngressRuleRequest,
+    request?: protos.google.appengine.v1.IDeleteIngressRuleRequest,
     optionsOrCallback?:
       | CallOptions
       | Callback<
@@ -777,7 +777,7 @@ export class FirewallClient {
   }
 
   listIngressRules(
-    request: protos.google.appengine.v1.IListIngressRulesRequest,
+    request?: protos.google.appengine.v1.IListIngressRulesRequest,
     options?: CallOptions
   ): Promise<
     [
@@ -833,7 +833,7 @@ export class FirewallClient {
    *   for more details and examples.
    */
   listIngressRules(
-    request: protos.google.appengine.v1.IListIngressRulesRequest,
+    request?: protos.google.appengine.v1.IListIngressRulesRequest,
     optionsOrCallback?:
       | CallOptions
       | PaginationCallback<