declare function equal(v1: unknown, v2: unknown): boolean;
declare function diff(val1: unknown, val2: unknown): string[];
declare function from(keys: string[]): Record<string, any>;
declare function merge(v1: unknown, v2: unknown): any;

declare const differ_diff: typeof diff;
declare const differ_equal: typeof equal;
declare const differ_from: typeof from;
declare const differ_merge: typeof merge;
declare namespace differ {
  export { differ_diff as diff, differ_equal as equal, differ_from as from, differ_merge as merge };
}

export { diff as a, differ as d, equal as e, from as f, merge as m };