import { ConnectableObservable } from 'rxjs';
/**
 * A simple helper that connects to a `ConnectableObservable`
 * and disconnects when the component unmounts.
 *
 * This is a safe way to turn a cold observable hot without risking memory leaks.
 *
 * @param observable source observable to connect to
 * @category Hook
 */
export declare function useConnection(observable: ConnectableObservable<any> | null | undefined): void;
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