import MessageBus from '../../../utility/message-bus/messageBus';
/**
 * Sets up the `getPlatformCapabilities` message handler for querying available capabilities.
 * Returns the full list of registered platform capabilities to requesting features.
 *
 * @param messageBus - The platform message bus for feature communication
 * @param capabilities - Set of available capability names to expose
 * @param teardowns - Array to collect cleanup functions for unsubscribing
 *
 * @internal
 */
export default function setupPlatformCapabilities(messageBus: MessageBus, capabilities: Set<string>, teardowns: (() => void)[]): void;
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