/**
 * SurfaceEvent, discriminated union covering configured client surfaces and their health.
 */
import { type RouteSurfaceKind } from './routes.js';
/**
 * Transport surface kinds, the subset of surfaces that can bind an external
 * route (Slack, Discord, ntfy, …). Route-binding schemas validate against this
 * strict list; product surfaces (below) are intentionally excluded so they can
 * never accidentally become bindable routes.
 */
export declare const TRANSPORT_SURFACE_KINDS: readonly ["tui", "web", "slack", "discord", "ntfy", "webhook", "homeassistant", "telegram", "google-chat", "signal", "whatsapp", "telephony", "imessage", "msteams", "bluebubbles", "mattermost", "matrix", "service"];
export type TransportSurfaceKind = RouteSurfaceKind;
/**
 * Product surface kinds, first-party surfaces that participate in sessions as
 * identity participants but never bind an external route. `web` already exists
 * as a transport surface; `webui` is the distinct rich web client surface.
 */
export declare const PRODUCT_SURFACE_KINDS: readonly ["agent", "webui", "companion", "automation"];
export type ProductSurfaceKind = (typeof PRODUCT_SURFACE_KINDS)[number];
/**
 * Canonical surface-kind vocabulary: transport surfaces ∪ product surfaces.
 * This is the single source of truth for the participant/message surface axis
 * (`SharedSessionParticipant.surfaceKind`). Unifies what used to be three
 * near-duplicate lists (ROUTE_SURFACE_KINDS, the old SURFACE_KINDS re-export,
 * and AutomationSurfaceKind).
 */
export declare const SURFACE_KINDS: readonly ["tui", "web", "slack", "discord", "ntfy", "webhook", "homeassistant", "telegram", "google-chat", "signal", "whatsapp", "telephony", "imessage", "msteams", "bluebubbles", "mattermost", "matrix", "service", "agent", "webui", "companion", "automation"];
export type SurfaceKind = (typeof SURFACE_KINDS)[number];
export declare const CHANNEL_SURFACE_KINDS: ("tui" | "web" | "slack" | "discord" | "ntfy" | "webhook" | "homeassistant" | "telegram" | "google-chat" | "signal" | "whatsapp" | "telephony" | "imessage" | "msteams" | "bluebubbles" | "mattermost" | "matrix" | "service")[];
export type ChannelSurfaceKind = Exclude<RouteSurfaceKind, 'tui' | 'web' | 'service'>;
/** Whether a surface kind string is a third-party channel (see {@link CHANNEL_SURFACE_KINDS}). */
export declare function isChannelSurfaceKind(kind: string | undefined): kind is ChannelSurfaceKind;
export type SurfaceEvent = {
    type: 'SURFACE_ENABLED';
    surfaceKind: SurfaceKind;
    surfaceId: string;
    accountId: string;
} | {
    type: 'SURFACE_DISABLED';
    surfaceKind: SurfaceKind;
    surfaceId: string;
    reason: string;
} | {
    type: 'SURFACE_ACCOUNT_CONNECTED';
    surfaceKind: SurfaceKind;
    surfaceId: string;
    accountId: string;
    displayName: string;
} | {
    type: 'SURFACE_ACCOUNT_DEGRADED';
    surfaceKind: SurfaceKind;
    surfaceId: string;
    accountId: string;
    error: string;
} | {
    type: 'SURFACE_CAPABILITY_CHANGED';
    surfaceKind: SurfaceKind;
    surfaceId: string;
    capability: string;
    enabled: boolean;
};
export type SurfaceEventType = SurfaceEvent['type'];
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