/// <reference types="ts-toolbelt" />
/**
 * A predicate that determines if the provided value is defined
 *
 * @param item
 */
export declare const isDefined: (item: any) => boolean;
/**
 * Merge util that moves from left-to-right,
 * useful for merging small data sets into larger
 * data collections
 */
export declare const mergeReverse: (arg1: unknown, arg0?: object | undefined) => <O2 extends object>(b: O2) => import("Object/MergeUp").MergeUpFlat<import("List/ObjectOf").ObjectOf<O2>, object, 1, import("Object/OptionalKeys").OptionalKeys<import("List/ObjectOf").ObjectOf<O2>>>;
/**
 * Determines if the provided Resource Object has the given ID
 *
 * @param id
 */
export declare const hasGivenId: (id: string) => (obj: Record<"id", string>) => boolean;