export class MyIterableIterator implements IterableIterator<number> {
    private index = 0;
    private max = 5;

    next(): IteratorResult<number> {
        if (this.index < this.max) {
            return { value: this.index++, done: false };
        } else {
            return { value: undefined, done: true };
        }
    }

    [Symbol.iterator](): IterableIterator<number> {
        return this;
    }
}

export const myIterator: IterableIterator<number> = new MyIterableIterator();

export declare function main(): void;
export declare const myIterator: IterableIterator<number>;
export declare class MyIterableIterator implements IterableIterator<number> {
    private index: number;
    private max: number;
    public next(): IteratorResult<number>;
    public [Symbol.iterator](): IterableIterator<number>;
    constructor();
}