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// deno-lint-ignore-file no-unused-varsexport type Key = Deno.KvKey;
interface Database {  insert(key: Key, data: unknown): void;  delete(key: number): void;  update(key: Key, data: unknown): void;  read(key: Key): void;}
export class Db implements Database {  constructor() {  }
  insert(key: Deno.KvKey, data: unknown): void {    throw new Error("Method not implemented.");  }  delete(key: number): void {    throw new Error("Method not implemented.");  }  update(key: Deno.KvKey, data: unknown): void {    throw new Error("Method not implemented.");  }  read(key: Deno.KvKey): void {    throw new Error("Method not implemented.");  }}