import { Namespace } from '../types';
export type UseNamespacePersistenceArgs = {
    namespaces: Namespace[];
    contextPreferredNamespace: Namespace | undefined;
    contextUpdatePreferredNamespace: (namespace: Namespace | undefined) => void;
    storeLastNamespace: boolean;
    storageKey: string;
    namespacesLoaded: boolean;
};
export type UseNamespacePersistenceReturn = {
    preferredNamespace: Namespace | undefined;
    updatePreferredNamespace: (namespace: Namespace | undefined) => void;
    clearStoredNamespace: () => void;
};
/**
 * Persist namespace preference with a two-phase flow:
 * restore once after namespaces load, then track changes.
 */
export declare const useNamespacePersistence: ({ namespaces, contextPreferredNamespace, contextUpdatePreferredNamespace, storeLastNamespace, storageKey, namespacesLoaded, }: UseNamespacePersistenceArgs) => UseNamespacePersistenceReturn;
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