/**
 * AuthMethodInteractor
 *
 * A base interface/class for client-side logic to interact with a server
 * for a specific Auth Method's flow (start, complete).
 */
export interface AuthPayload {
    [key: string]: any;
}
export interface StartAuthResponse {
    success: boolean;
    message?: string;
    data?: any;
}
export interface CompleteAuthResponse {
    success: boolean;
    message?: string;
    presentationKey?: string;
}
/**
 * Abstract client-side interactor for an Auth Method.
 *
 * Subclasses only need to set `methodType`; the HTTP calls to
 * `/auth/start` and `/auth/complete` are handled here.
 */
export declare abstract class AuthMethodInteractor {
    abstract methodType: string;
    /**
     * Shared POST helper for auth endpoints.
     */
    private postAuth;
    /**
     * Start the flow (e.g. request an OTP or create a session).
     */
    startAuth(serverUrl: string, presentationKey: string, payload: AuthPayload): Promise<StartAuthResponse>;
    /**
     * Complete the flow (e.g. confirm OTP).
     */
    completeAuth(serverUrl: string, presentationKey: string, payload: AuthPayload): Promise<CompleteAuthResponse>;
}
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