import type { EncryptedKeyEntry } from "./crypto.js";
export declare class ApiError extends Error {
    readonly status: number;
    constructor(message: string, status: number);
}
export declare class RoomFullError extends ApiError {
    constructor(message?: string);
}
export declare class RoomNotFoundError extends ApiError {
    constructor(message?: string);
}
export interface RoomFileMeta {
    name: string;
    originalName?: string;
    type?: string;
    storageType?: string;
    size: number;
    status: "pending" | "uploading" | "ready" | "downloading";
    downloaded?: boolean;
    isVoiceNote?: boolean;
    path?: string;
    encryptedSymmetricKeys?: EncryptedKeyEntry[];
}
export interface RoomState {
    createdAt?: number;
    expiresAt?: number | null;
    senderPresent?: boolean;
    receiverPresent?: boolean;
    status?: string;
    files?: Record<string, RoomFileMeta>;
    receiverClientId?: string | null;
    receiverLastSeen?: number;
}
type KeyAction = "store-sender-key" | "store-receiver-key" | "get-sender-key" | "get-receiver-key";
export declare class JustDropApi {
    readonly baseUrl: string;
    constructor(baseUrl: string);
    private request;
    createRoom(timerMinutes: number): Promise<{
        roomCode: string;
        expiresAt: number | null;
    }>;
    join(roomCode: string, clientId: string): Promise<RoomState>;
    exists(roomCode: string): Promise<boolean>;
    storeKey(roomCode: string, action: Extract<KeyAction, `store-${string}`>, publicKey: string, clientId?: string): Promise<void>;
    /** Returns the base64 public key, or null when the other party hasn't shared one yet. */
    getKey(roomCode: string, action: Extract<KeyAction, `get-${string}`>): Promise<string | null>;
    requestUpload(params: {
        roomCode: string;
        fileName: string;
        fileSize: number;
        originalFileType?: string;
        encryptedSymmetricKeys: EncryptedKeyEntry[];
    }): Promise<{
        fileId: string;
        signedUrl: string;
        filePath: string;
    }>;
    finalizeUpload(roomCode: string, fileId: string, filePath: string): Promise<void>;
    download(roomCode: string, fileId: string): Promise<{
        downloadURL: string;
        fileData: RoomFileMeta;
    }>;
    markDownloaded(roomCode: string, fileId: string): Promise<void>;
    presence(roomCode: string, userType: "sender" | "receiver", isPresent: boolean, clientId?: string): Promise<void>;
    closeRoom(roomCode: string): Promise<void>;
}
/** Uploads an encrypted payload to the GCS signed URL minted by requestUpload. */
export declare function putToSignedUrl(signedUrl: string, payload: Uint8Array): Promise<void>;
export {};