/**
 * window.host bridge factory.
 *
 * Creates an HostBridge object that can be assigned to window.host (or any
 * comparable injection point). The bridge translates between the binary
 * adapter API and the string-oriented API that guest apps consume.
 *
 * @example
 * ```ts
 * import { createWindowHostBridge } from "@polkadot-apps/host-sdk/bridge";
 *
 * window.host = createWindowHostBridge({ adapter, encoding });
 * ```
 */
import type { CreateWindowHostBridgeOptions, HostBridge } from "./types.js";
/**
 * Create a HostBridge backed by the given adapter and encoding utilities.
 *
 * The returned object is suitable for assignment to window.host, a webview
 * postMessage bridge, or any injection point that guest apps will call.
 */
export declare function createWindowHostBridge(options: CreateWindowHostBridgeOptions): HostBridge;
/**
 * Normalize a .dot domain name into the canonical app ID used for
 * Statement Store namespacing (the `decryption_key` field).
 *
 * All hosts MUST use this function to derive the app ID so that
 * statements published by one host are visible to all others.
 *
 * Rules:
 * - Strip trailing `.dot` suffix (case-insensitive)
 * - Lowercase
 * - Trim whitespace
 *
 * Examples:
 *   "voxchat.dot" → "voxchat"
 *   "VoxChat.DOT" → "voxchat"
 *   "voxchat"     → "voxchat"
 *   "my-app.dot"  → "my-app"
 */
export declare function normalizeAppId(name: string): string;
/**
 * Reset module-scoped rate limiter state.
 *
 * @internal Intended for use in tests only. Not part of the public API.
 */
export declare function __resetRateLimiterForTesting(): void;
export type { BridgeStatement, BridgeUnsubscribe, BridgeEncodingUtils, HostBridgeAdapter, HostStoreStatus, CreateWindowHostBridgeOptions, StatementEventPayload, HostBridge, } from "./types.js";
export { HostError, isHostError } from "../errors.js";
export type { HostErrorCode } from "../errors.js";
export { BRIDGE_ERROR_CODES, BRIDGE_EVENT_NAMES, BRIDGE_EXPERIMENTAL_SURFACE, BRIDGE_STABLE_SURFACE, BRIDGE_VERSION, DEFAULT_BRIDGE_PROFILE, createBridgeMetadata, } from "./contract.js";
export type { BridgeErrorCode, BridgeEventName, BridgeExperimentalSurfaceEntry, BridgeProfile, BridgeStableSurfaceEntry, BridgeExtensionCapabilities, BridgeCapabilities, BridgeMetadata, BridgeMetadataOptions, } from "./contract.js";
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