import { type Reference, type ReferenceUnwrapped } from "@knyt/artisan";
import type { ReactiveControllerHost } from "./ReactiveController.ts";
/**
 * Creates a readonly reactive state reference derived from another reference.
 *
 * @alpha
 *
 * @deprecated Use `unwrapRef` instead.
 * This function is deprecated and will be removed in a future version.
 */
export declare function unwrapState<T>(host: ReactiveControllerHost, origin: ReferenceUnwrapped.ParamsWithoutHandler<T>[0]): Reference.Unwrapped<T | undefined>;
export declare function unwrapState<T, U>(host: ReactiveControllerHost, ...args: ReferenceUnwrapped.ParamsWithHandler<T, U>): Reference.Unwrapped<T | undefined>;
export declare function unwrapState<T, U>(host: ReactiveControllerHost, options: ReferenceUnwrapped.OptionsWithFallback<T, U>): Reference.Unwrapped<T>;
export declare function unwrapState<T, U>(host: ReactiveControllerHost, options: ReferenceUnwrapped.Options<T, U>): Reference.Unwrapped<T | undefined>;
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