import { ProtocolAddress } from '@signalapp/libsignal-client';
import type { JsonValue } from 'type-fest';
import { type RegistrationId, ServiceIdKind } from './types';
import { ParsedUrlQuery } from 'node:querystring';
import { Device } from './data/device';
export type PromiseQueueConfig = Readonly<{
    timeout?: number;
    name: string;
}>;
export declare function generateRandomE164(): string;
export type ParseAuthHeaderResult = {
    username: string;
    password: string;
    error?: undefined;
} | {
    username?: undefined;
    password?: undefined;
    error: string;
};
export declare function parseAuthHeader(header?: string, options?: {
    allowEmptyPassword?: boolean;
}): ParseAuthHeaderResult;
export declare class PromiseQueue<T> {
    private readonly defaultTimeout;
    private readonly entries;
    private readonly resolvers;
    private readonly name;
    constructor(config: PromiseQueueConfig);
    get size(): number;
    stop(): void;
    pushAndWait(value: T, timeout?: number | undefined): {
        promise: Promise<void>;
        cancel: () => void;
    };
    push(value: T): void;
    shift(timeout?: number | undefined): Promise<T>;
}
export declare function addressToString(address: ProtocolAddress): string;
export declare function getTodayInSeconds(): number;
export declare function daysToSeconds(days: number): number;
export declare function generateRegistrationId(): RegistrationId;
export declare function generateDevicePassword(): string;
export declare function toBase64(buf: Uint8Array<ArrayBuffer>): string;
export declare function toURLSafeBase64(buf: Uint8Array<ArrayBuffer>): string;
export declare function fromBase64(base64: string): Buffer<ArrayBuffer>;
export declare function fromURLSafeBase64(base64: string): Buffer<ArrayBuffer>;
export declare function assertJsonValue(root: unknown): asserts root is JsonValue;
export declare function serviceIdKindFromQuery(query: Record<string, string> | ParsedUrlQuery | undefined): ServiceIdKind;
export declare function getDevicesKeysResult(serviceIdKind: ServiceIdKind, devices: ReadonlyArray<Device>): Promise<JsonValue>;