/**
 * Unified UI Bridge Architecture
 *
 * Uses @modelcontextprotocol/ext-apps SDK as the foundation for ALL UI communication.
 * Beam becomes just another MCP Apps host.
 *
 * Key principle: No Beam-specific protocol layer. All features achieved via
 * MCP Apps Extension spec + custom JSON-RPC notifications that any host can implement.
 */
import type { PhotonBridgeContext } from './types.js';
export type { PhotonBridgeContext, BridgeMethodMeta, SizeConstraints, PhotonAPI, OpenAIAPI, ProgressNotification, StatusNotification, StreamNotification, EmitNotification, ChannelEventNotification, } from './types.js';
/**
 * Generate the complete bridge script for injection into iframes
 *
 * This script provides:
 * - window.photon API (PhotonApp-based)
 * - window.openai API (compatibility shim)
 * - Automatic theme application
 * - MCP Apps protocol handshake
 */
export declare function generateBridgeScript(context: PhotonBridgeContext): string;
/**
 * Generate bridge script with legacy compatibility
 *
 * This is a drop-in replacement for generatePlatformBridgeScript from platform-compat.ts
 */
export declare function generatePlatformBridgeScript(context: {
    theme: 'light' | 'dark';
    locale?: string;
    displayMode?: string;
    photon?: string;
    method?: string;
    hostName?: string;
    hostVersion?: string;
    injectedPhotons?: string[];
}): string;
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