1  import { Duration, Resource } from '@aws-cdk/core';
 2  import { Construct } from 'constructs';
 3  import { IDestination } from './destination';
 4  import { IFunction } from './function-base';
 5  /**
 6   * Options to add an EventInvokeConfig to a function.
 7   *
 8   * @stability stable
 9   */
10  export interface EventInvokeConfigOptions {
11      /**
12       * The destination for failed invocations.
13       *
14       * @default - no destination
15       * @stability stable
16       */
17      readonly onFailure?: IDestination;
18      /**
19       * The destination for successful invocations.
20       *
21       * @default - no destination
22       * @stability stable
23       */
24      readonly onSuccess?: IDestination;
25      /**
26       * The maximum age of a request that Lambda sends to a function for processing.
27       *
28       * Minimum: 60 seconds
29       * Maximum: 6 hours
30       *
31       * @default Duration.hours(6)
32       * @stability stable
33       */
34      readonly maxEventAge?: Duration;
35      /**
36       * The maximum number of times to retry when the function returns an error.
37       *
38       * Minimum: 0
39       * Maximum: 2
40       *
41       * @default 2
42       * @stability stable
43       */
44      readonly retryAttempts?: number;
45  }
46  /**
47   * Properties for an EventInvokeConfig.
48   *
49   * @stability stable
50   */
51  export interface EventInvokeConfigProps extends EventInvokeConfigOptions {
52      /**
53       * The Lambda function.
54       *
55       * @stability stable
56       */
57      readonly function: IFunction;
58      /**
59       * The qualifier.
60       *
61       * @default - latest version
62       * @stability stable
63       */
64      readonly qualifier?: string;
65  }
66  /**
67   * Configure options for asynchronous invocation on a version or an alias.
68   *
69   * By default, Lambda retries an asynchronous invocation twice if the function
70   * returns an error. It retains events in a queue for up to six hours. When an
71   * event fails all processing attempts or stays in the asynchronous invocation
72   * queue for too long, Lambda discards it.
73   *
74   * @stability stable
75   */
76  export declare class EventInvokeConfig extends Resource {
77      /**
78       * @stability stable
79       */
80      constructor(scope: Construct, id: string, props: EventInvokeConfigProps);
81  }