const urlInfo = new URL('https://www.tencentcloud.com/');

const blob = new Blob(['hello', 'world'], { type: 'text/plain' });

function btoa(data: string | ArrayBuffer | ArrayBufferView): string;

function atob(data: string): string;

function btoaUTF8(data: string): string;

function atobUTF8(data: string): string;

setTimeout(func: function): number;
setTimeout(func: function, delay: number): number;
setTimeout(func: function, delay: number, ...args: any[]): number;

clearTimeout(timeoutID: number): void;

setInterval(func: function): number;
setInterval(func: function, delay: number): number;
setInterval(func: function, delay: number, ...args: any[]): number;

clearInterval(intervalID: number): void;

setImmediate(func: function): number;
setImmediate(func: function, ...args: any[]): number;

clearImmediate(immediateID: number): void;

const eventTarget = new EventTarget();

const event = new Event('type name');

const signal = AbortSignal.abort();

const controller = new AbortController();

const { readable, writable } = new CompressionStream('gzip');

const { readable, writable } = new DecompressionStream('gzip');