make taskMetrics and taskPolicies abstract properties

Author: shivlaks

packages/@aws-cdk/aws-stepfunctions-tasks/lib/lambda/invoke.ts

@@ -56,6 +56,9 @@ export class LambdaInvoke extends sfn.TaskStateBase {
     sfn.IntegrationPattern.WAIT_FOR_TASK_TOKEN,
   ];
 
+  protected readonly taskMetrics: sfn.TaskMetricsConfig | undefined;
+  protected readonly taskPolicies: iam.PolicyStatement[] | undefined;
+
   private readonly integrationPattern: sfn.IntegrationPattern;
 
   constructor(scope: cdk.Construct, id: string, private readonly props: LambdaInvokeProps) {

packages/@aws-cdk/aws-stepfunctions-tasks/lib/sns/publish.ts

@@ -61,6 +61,9 @@ export class SnsPublish extends sfn.TaskStateBase {
     sfn.IntegrationPattern.WAIT_FOR_TASK_TOKEN,
   ];
 
+  protected readonly taskMetrics: sfn.TaskMetricsConfig | undefined;
+  protected readonly taskPolicies: iam.PolicyStatement[] | undefined;
+
   private readonly integrationPattern: sfn.IntegrationPattern;
 
   constructor(scope: cdk.Construct, id: string, private readonly props: SnsPublishProps) {

packages/@aws-cdk/aws-stepfunctions-tasks/lib/sqs/send-message.ts

@@ -66,6 +66,9 @@ export class SqsSendMessage extends sfn.TaskStateBase {
     sfn.IntegrationPattern.WAIT_FOR_TASK_TOKEN,
   ];
 
+  protected readonly taskMetrics: sfn.TaskMetricsConfig | undefined;
+  protected readonly taskPolicies: iam.PolicyStatement[] | undefined;
+
   private readonly integrationPattern: sfn.IntegrationPattern;
 
   constructor(scope: cdk.Construct, id: string, private readonly props: SqsSendMessageProps) {

packages/@aws-cdk/aws-stepfunctions/lib/states/task-base.ts

@@ -89,9 +89,8 @@ export abstract class TaskStateBase extends State implements INextable {
 
   public readonly endStates: INextable[];
 
-  protected taskMetrics: TaskMetricsConfig = {};
-
-  protected taskPolicies: iam.PolicyStatement[] | undefined;
+  protected abstract readonly taskMetrics: TaskMetricsConfig | undefined;
+  protected abstract readonly taskPolicies: iam.PolicyStatement[] | undefined;
 
   constructor(scope: cdk.Construct, id: string, props: TaskStateBaseProps) {
     super(scope, id, props);