export interface WAFlowBody {
    encrypted_aes_key: string;
    encrypted_flow_data: string;
    initial_vector: string;
}
declare type BasicData = string | boolean | number | Array<string> | Array<boolean> | Array<number>;
export declare type WAData = Record<string, BasicData>;
export interface WAFlowRequest {
    version: string;
    action: "INIT" | "BACK" | "data_exchange" | "ping";
    screen: string;
    data: WAData;
    flow_token: string;
}
declare type ErrorResponse = {
    error_messages: Record<string, string>;
};
declare type TerminalResponse = {
    extension_message_response: {
        params: WAData;
    };
};
export interface WAFlowResponse {
    version: string;
    screen?: string;
    data: ErrorResponse | TerminalResponse | WAData;
}
export declare class WhatsAppFlowEndpoint {
    private NAME;
    private executor;
    private PRIVATE_KEY;
    private PASSPHRASE;
    private VERBOSE;
    constructor(NAME: string, executor: (request: WAFlowRequest) => Promise<WAFlowResponse>, PRIVATE_KEY: string, PASSPHRASE: string, VERBOSE?: boolean);
    static validateAsync(validators: Record<string, (data: WAData) => Promise<string | null>>, data: WAData): Promise<Record<string, string>>;
    private decrypt;
    private encrypt;
    execute(encryptedBody: WAFlowBody): Promise<string>;
}
export {};