import { QueueItem, PacketError } from "../types.js";
export declare class Queue {
    private queue;
    private lock;
    private ackNotifier;
    private errorNotifier;
    private timeout;
    constructor();
    getState(): QueueItem[];
    clear(): void;
    push(item: Omit<QueueItem, "promise" | "sent" | "added">): void;
    remove(id: number): void;
    processAck(id: number): void;
    processError(e: PacketError): void;
    wait(id: number): Promise<number>;
    processQueue(writeToRadio: (data: Uint8Array) => Promise<void>): Promise<void>;
}