import type { BBChannelOptions, BBNavigationState } from '../types';
/**
 * Returns true when `url`'s origin is a Blue Billywig host. Used to decide
 * whether to attach session tokens to a channel config URL (see
 * `generateChannelHTML`) and to validate media-play URLs received from the
 * WebView. This is NOT a fetch gate — the HTML emitted by `generateChannelHTML`
 * still fetches a non-BB `channelUrl`; the only thing the BB-origin check
 * suppresses there is inlining `jwt`/`rpcToken`. Callers that need to refuse
 * non-BB URLs entirely must do so themselves.
 *
 * Extends isValidBundleUrl — adds *.bbvms.com allowance for channel/media
 * origins (bundle URLs are stricter: BB CDN only). Allows *.bluebillywig.com
 * and *.bbvms.com over HTTPS; localhost/127.0.0.1/10.0.2.2 for dev.
 *
 * Twin: src/util/auth-tokens.ts `isBbAuthOrigin` — keep allowlists in sync.
 */
export declare function isValidChannelUrl(url: string): boolean;
/**
 * Validate that a bundle URL is on an allowed domain
 * Production: *.bluebillywig.com only (HTTPS required)
 * Development: localhost/127.0.0.1 with http: or https:
 */
export declare function isValidBundleUrl(url: string): boolean;
/**
 * Generate the HTML content for the WebView
 * Loads channel-native.js from CDN (default) or custom bluebillywig.com URL
 */
export declare function generateChannelHTML(channelUrl: string, options?: BBChannelOptions, initialNavigationState?: BBNavigationState): string;
/**
 * Parse a channel URL to extract publication and channel ID
 * Supports both bbvms.com and bluebillywig.com domains (Fix #6)
 */
export declare function parseChannelUrl(url: string): {
    publication: string;
    channelId: string;
} | null;
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