# @aws-cdk/service-spec-types Types and utils for CloudFormation Service Specifications ```ts import { emptyDatabase, SpecDatabase } from '@aws-cdk/service-spec-types'; import * as fs from 'node:fs'; import * as zlib from 'node:zlib'; export function loadAwsServiceSpec(): SpecDatabase { const specDatabase = fs.readFileSync('db.json.gz')); const db = emptyDatabase(); db.load(JSON.parse(zlib.gunzipSync(specDatabase).toString('utf-8'))); return db; } ```