import { NodeHttpOptions as __HttpOptions__ } from "@aws-sdk/types";
import * as __aws_sdk_types from "@aws-sdk/types";
/**
 * <p>Represents the input of a <code>GetShardIterator</code> operation.</p>
 */
export interface GetShardIteratorInput {
    /**
     * <p>The Amazon Resource Name (ARN) for the stream.</p>
     */
    StreamArn: string;
    /**
     * <p>The identifier of the shard. The iterator will be returned for this shard ID.</p>
     */
    ShardId: string;
    /**
     * <p>Determines how the shard iterator is used to start reading stream records from the shard:</p> <ul> <li> <p> <code>AT_SEQUENCE_NUMBER</code> - Start reading exactly from the position denoted by a specific sequence number.</p> </li> <li> <p> <code>AFTER_SEQUENCE_NUMBER</code> - Start reading right after the position denoted by a specific sequence number.</p> </li> <li> <p> <code>TRIM_HORIZON</code> - Start reading at the last (untrimmed) stream record, which is the oldest record in the shard. In DynamoDB Streams, there is a 24 hour limit on data retention. Stream records whose age exceeds this limit are subject to removal (trimming) from the stream.</p> </li> <li> <p> <code>LATEST</code> - Start reading just after the most recent stream record in the shard, so that you always read the most recent data in the shard.</p> </li> </ul>
     */
    ShardIteratorType: "TRIM_HORIZON" | "LATEST" | "AT_SEQUENCE_NUMBER" | "AFTER_SEQUENCE_NUMBER" | string;
    /**
     * <p>The sequence number of a stream record in the shard from which to start reading.</p>
     */
    SequenceNumber?: string;
    /**
     * The maximum number of times this operation should be retried. If set, this value will override the `maxRetries` configuration set on the client for this command.
     */
    $maxRetries?: number;
    /**
     * An object that may be queried to determine if the underlying operation has been aborted.
     *
     * @see https://developer.mozilla.org/en-US/docs/Web/API/AbortSignal
     */
    $abortSignal?: __aws_sdk_types.AbortSignal;
    /**
     * Per-request HTTP configuration options. If set, any options specified will override the corresponding HTTP option set on the client for this command.
     */
    $httpOptions?: __HttpOptions__;
}