import MessageBus from '../../../utility/message-bus/messageBus';
import type { TectonPlatformControls } from '../../../types/setup';
/**
 * Sets up the `getAuthPayload` message handler for retrieving authentication payloads.
 * Features can request auth payloads for form POST authentication.
 *
 * @param messageBus - The platform message bus for feature communication
 * @param platformControlBus - Platform control bus with handler implementations
 * @param teardowns - Array to collect cleanup functions for unsubscribing
 *
 * @internal
 */
export default function setupGetAuthPayload(messageBus: MessageBus, platformControlBus: TectonPlatformControls, teardowns: (() => void)[]): void;
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