import type { StorageInterface } from "./interfaces";
/**
 * Storage that keeps only the latest written value, overwriting the previous one.
 * @category Storages
 */
export declare class LatestStorage<T> implements StorageInterface<T, T> {
    private _value?;
    private readonly _defaultValue?;
    constructor(defaultValue?: T);
    get size(): number;
    write(data: T): void;
    read(): T | undefined;
    clear(): void;
    reset(): void;
}
/**
 * FIFO queue storage — read() removes and returns the oldest element. Supports optional max length.
 * @category Storages
 */
export declare class QueueStorage<T> implements StorageInterface<T, T> {
    private _queue;
    private readonly _maxLength?;
    constructor(maxLength?: number);
    get size(): number;
    get maxLength(): number | undefined;
    write(data: T): void;
    read(): T | undefined;
    clear(): void;
    reset(): void;
}
/**
 * LIFO stack storage — read() removes and returns the most recently added element. Supports optional max length.
 * @category Storages
 */
export declare class StackStorage<T> implements StorageInterface<T, T> {
    private _stack;
    private readonly _maxLength?;
    constructor(maxLength?: number);
    get size(): number;
    get maxLength(): number | undefined;
    write(data: T): void;
    read(): T | undefined;
    clear(): void;
    reset(): void;
}
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