import type { CompanionClient } from './client.js';
import { type CompanionView, type CompanionViewOptions, type CompanionViewSnapshot } from './adapter-core.js';
/** Svelte-store-contract readable of the companion view snapshot. */
export interface CompanionStore {
    /** Store contract: calls `run` with the current snapshot immediately and on
     *  every change. Returns unsubscribe. */
    subscribe(run: (snapshot: CompanionViewSnapshot) => void): () => void;
    sendText: CompanionView['sendText'];
    confirmAction: CompanionView['confirmAction'];
    /** Detach from the client (does not close it). */
    dispose(): void;
    client: CompanionClient;
}
/** Wrap a host-owned client as a Svelte-compatible readable store. */
export declare function companionStore(client: CompanionClient, opts?: CompanionViewOptions): CompanionStore;
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