// eslint-disable-next-line @definitelytyped/no-self-import
import { UnwrapComputedPropertyGetter } from "@ember/object/-private/types";

/**
 * Returns the cached value for a property, if one exists.
 * This can be useful for peeking at the value of a computed
 * property that is generated lazily, without accidentally causing
 * it to be created.
 */
export function cacheFor<T, K extends keyof T>(
    obj: T,
    key: K,
): UnwrapComputedPropertyGetter<T[K]> | undefined;

/**
 * Returns a unique id for the object. If the object does not yet have a guid,
 * one will be assigned to it. You can call this on any object,
 * `Ember.Object`-based or not, but be aware that it will add a `_guid`
 * property.
 */
export function guidFor(obj: unknown): string;