/**
 * An alias for the commonly needed `Extract<keyof T, string>`.
 */
export type KeyOf<T> = Extract<keyof T, string>;
/**
 * An alias for a tuple of type `[string, T]' for a given generic type `T`. `T` defaults to `unknown` if not otherwise
 * defined.
 */
export type KeyValue<T = unknown> = [string, T];