import { type Ref } from 'vue';
export interface StorageRef<T> extends Ref<T> {
    reload(): void;
    startSync(): void;
    stopSync(): void;
    save(): void;
    clear(): void;
}
type StorageRefOptions = {
    key: string;
    sync?: 'when-mounted' | 'always';
    storage?: 'local' | 'session';
    deep?: boolean;
    debounce?: number;
};
type StorageRefDefault<T> = {
    default: () => T;
};
type StorageRefNoDefault = {
    default?: undefined;
};
type StorageRefOptionsRaw = StorageRefOptions & {
    json?: false;
    serialize?: undefined;
    deserialize?: undefined;
};
type StorageRefOptionsCustom<T> = StorageRefOptions & {
    serialize: (value: T) => string;
    deserialize: (value: string) => T;
    json?: false;
};
type StorageRefOptionsJson = StorageRefOptions & {
    json: true;
    serialize?: undefined;
    deserialize?: undefined;
};
export declare function storageRef(options: StorageRefOptionsRaw & StorageRefDefault<string>): StorageRef<string>;
export declare function storageRef(options: StorageRefOptionsRaw & StorageRefNoDefault): StorageRef<string | null>;
export declare function storageRef<T>(options: StorageRefOptionsJson & StorageRefDefault<T>): StorageRef<T>;
export declare function storageRef<T>(options: StorageRefOptionsJson & StorageRefNoDefault): StorageRef<T | null>;
export declare function storageRef<T>(options: StorageRefOptionsCustom<T>): StorageRef<T | null>;
export declare function storageRef<T>(options: StorageRefOptionsCustom<T> & StorageRefDefault<T>): StorageRef<T>;
export {};