import type { TectonPlatformControls } from '../../types/setup';
/**
 * Sets up the `platformCssPropertiesChanged` capability for CSS theme property changes.
 * Broadcasts CSS custom property updates to features for dynamic theming.
 *
 * @param platformControlBus - Platform control bus with handler implementations
 * @param capabilities - Set to populate with available capability names
 * @param teardowns - Array to collect cleanup functions for unsubscribing
 *
 * @internal
 */
export default function platformCssPropertiesChangedSetup(platformControlBus: TectonPlatformControls, capabilities: Set<string>, teardowns: (() => void)[]): void;
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