Method forEach

src/platform/common/utils/map.ts:770–778

(key: K, fn: (value: V) => void)

    }

    forEach(key: K, fn: (value: V) => void): void {
        const values = this.map.get(key);

        if (!values) {
            return;
        }

        values.forEach(fn);
    }

    get(key: K): ReadonlySet<V> {
        const values = this.map.get(key);