import type { CoValue, LoadedAndRequired, MaybeLoaded } from "../internal.js";
export declare function isCoValueId(id: unknown): id is `co_z${string}`;
/**
 * Assert that a CoValue is loaded, otherwise throw an error
 */
export declare function assertLoaded<T extends MaybeLoaded<CoValue>>(coValue: T): asserts coValue is LoadedAndRequired<T>;
/**
 * Get a loaded CoValue or `undefined` if it is not loaded.
 *
 * Can be used to ease the transition between nullable loading states from Jazz 0.18
 * and explicit loading states from Jazz 0.19.
 */
export declare function getLoadedOrUndefined<T extends MaybeLoaded<CoValue>>(coValue: T | undefined | null): LoadedAndRequired<T> | undefined;
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