import type { PlatformAdapter } from './PlatformAdapter';
/**
 * Auto-detect the current host platform.
 *
 * Iterates registered adapters and returns the first one that detects
 * its platform signals. Returns `null` if no platform is recognized
 * (i.e. the page is a generic/unknown site).
 */
export declare function detectPlatform(): PlatformAdapter | null;
