build/lib/tsb/utils.ts/forEach
    export function forEach<T>(collection: { [keys: string]: T }, callback: (entry: { key: string; value: T }) => void): void {
        for (const key in collection) {
            if (hasOwnProperty.call(collection, key)) {
                callback({
                    key: key,
                    value: collection[key]
                });
            }
        }
    }