/// <reference types="node" />
export interface EncryptedFlowRequest {
    encrypted_flow_data: string;
    encrypted_aes_key: string;
    initial_vector: string;
}
export type FlowRequestAction = 'INIT' | 'BACK' | 'data_exchange' | 'ping';
export interface DecryptedFlowRequest {
    version: string;
    action: FlowRequestAction;
    screen?: string;
    data: Record<string, unknown>;
    flow_token: string;
    flow_token_signature?: string;
}
export interface DecryptionResult {
    decryptedData: DecryptedFlowRequest;
    aesKey: Buffer;
    iv: Buffer;
}
export interface FlowKeyPair {
    privateKey: string;
    publicKey: string;
}