/**
 * Canonical schema and metadata for the stable `window.host` bridge surface.
 *
 * This is the hand-maintained product contract model used by the JS bridge,
 * guest typings, tests, and docs. Hosts should treat this module as the
 * single source of truth for the current bridge version, method surface,
 * canonical event names, and canonical error codes.
 */
export declare const BRIDGE_VERSION: "1.0";
export declare const DEFAULT_BRIDGE_PROFILE: "web-srcdoc";
/**
 * Canonical stable surface entries for the current bridge generation.
 *
 * These entries define the supported names and namespaces, not unconditional
 * availability in every host profile. Products should still consult
 * `window.host.__bridge` before assuming a capability is implemented.
 */
export declare const BRIDGE_STABLE_SURFACE: readonly ["__bridge", "getAddress", "storage.get", "storage.set", "storage.remove", "statements.subscribe", "statements.write", "statements.status", "identity.resolveUsername", "on", "off"];
export declare const BRIDGE_EXPERIMENTAL_SURFACE: readonly ["ext.claw.ask", "ext.claw.status", "ext.data.getPeerId", "ext.data.connect", "ext.data.startListening", "ext.data.close", "ext.data.send", "ext.data.sendBytes", "ext.media.getUserMedia", "ext.media.getDisplayMedia", "ext.media.connect", "ext.media.accept", "ext.media.reject", "ext.media.close", "ext.media.attachTrack", "ext.media.getPeerId", "ext.media.startListening", "ext.media.setTrackEnabled", "ext.media.groupConnect", "ext.media.groupAccept", "ext.media.addTrack", "ext.media.removeTrack", "ext.media.getStats", "ext.files.save", "ext.mesh.transport.publish", "ext.mesh.transport.heartbeat", "ext.mesh.transport.subscribe", "ext.mesh.objects.put", "ext.mesh.objects.get", "ext.mesh.objects.getResult", "ext.mesh.query.request", "ext.mesh.query.scopedRequest", "ext.mesh.query.respond", "ext.mesh.query.scopedRespond", "ext.mesh.status.status", "ext.mesh.private.objects.put", "ext.mesh.private.objects.get", "ext.mesh.private.query.request", "ext.mesh.private.control.publish", "ext.mesh.private.control.subscribe", "ext.mesh.private.receipts.publish", "ext.mesh.private.receipts.subscribe", "ext.vrf.deriveMemberKey", "ext.vrf.sign", "ext.vrf.createProof", "ext.vrf.aliasInContext", "ext.crdt.join", "ext.crdt.applyUpdate", "ext.crdt.getStateVector", "ext.crdt.getFullState", "ext.crdt.setAwareness", "ext.crdt.destroy"];
export declare const BRIDGE_EVENT_NAMES: readonly ["dataConnected", "dataMessage", "dataBinary", "dataClosed", "dataError", "dataIncomingCall", "mediaTrackReady", "mediaConnected", "mediaRemoteTrack", "mediaClosed", "mediaError", "mediaIncomingCall", "mediaSignalingProgress", "mediaTrackStopped", "statement", "meshTopic", "meshQuery", "meshReply", "meshScopedQuery", "meshScopedReply", "meshPresence", "meshHeartbeat", "meshPrivateControl", "meshPrivateReceipt", "indexEvent", "indexSyncProgress", "indexScanCompleted", "crdtRemoteUpdate", "crdtAwareness", "crdtPeerChange"];
export declare const BRIDGE_ERROR_CODES: readonly ["ERR_BRIDGE_DESTROYED", "ERR_RATE_LIMIT", "ERR_UNSUPPORTED_CAPABILITY", "ERR_HOST_RUNTIME_UNAVAILABLE", "ERR_BINARY_BRIDGE_UNAVAILABLE", "ERR_INVALID_ARGUMENT", "ERR_TIMEOUT", "ERR_HOST_REJECTED"];
export type BridgeStableSurfaceEntry = (typeof BRIDGE_STABLE_SURFACE)[number];
export type BridgeExperimentalSurfaceEntry = (typeof BRIDGE_EXPERIMENTAL_SURFACE)[number];
export type BridgeEventName = (typeof BRIDGE_EVENT_NAMES)[number];
export type BridgeErrorCode = (typeof BRIDGE_ERROR_CODES)[number];
export type BridgeProfile = "web-srcdoc" | "web-relay" | "native-webview";
export interface BridgeExtensionCapabilities {
    readonly claw: boolean;
    readonly crdt: boolean;
    readonly data: boolean;
    readonly media: boolean;
    readonly files: boolean;
    readonly mesh: boolean;
    readonly vrf: boolean;
}
export interface BridgeCapabilities {
    readonly storage: boolean;
    readonly statements: boolean;
    readonly identity: boolean;
    readonly ext: BridgeExtensionCapabilities;
}
export interface BridgeProductProtocolMetadata {
    readonly package: "@polkadot/api-protocol";
    readonly version: "v1";
    readonly transport: "message-port";
    readonly wireFormat: "scale-host-api";
}
export interface BridgeMetadata {
    readonly version: string;
    readonly profile: BridgeProfile;
    readonly capabilities: BridgeCapabilities;
    readonly productProtocol: BridgeProductProtocolMetadata;
}
export interface BridgeMetadataOptions {
    /** Host profile implementing the canonical bridge. */
    profile?: BridgeProfile;
    /** Optional overrides for stable core capabilities during phased rollouts. */
    coreCapabilities?: Partial<Pick<BridgeCapabilities, "storage" | "statements">>;
    /** Optional extension capability flags exposed alongside the core bridge. */
    extCapabilities?: Partial<BridgeExtensionCapabilities>;
}
/**
 * Create the immutable metadata object exposed at `window.host.__bridge`.
 */
export declare function createBridgeMetadata(options: BridgeMetadataOptions | undefined, identitySupported: boolean): BridgeMetadata;
//# sourceMappingURL=contract.d.ts.map