Shard
import type { Shard } from "https://aws-api.deno.dev/v0.4/services/dynamodbstreams.ts?docs=full";
A uniquely identified group of stream records within a stream.
interface Shard {
ParentShardId?: string | null;
SequenceNumberRange?: SequenceNumberRange | null;
ShardId?: string | null;
}