import type { AgentContext, LapActionsResponse } from '../../protocol.js';
import { type ListActionsHost } from './list-actions.js';
export type ObserveHost = ListActionsHost & {
    getAgentContext(): ((state: unknown) => AgentContext) | null;
};
/**
 * Dynamic slice of the unified `observe` response. The server-side LAP
 * endpoint composes this with the static description (name/version/
 * messages/docs from the cached hello frame) to produce the full
 * `LapObserveResponse`. Keeping the split here means a single WS
 * round-trip captures everything that changes with state, while the
 * static metadata stays server-side where it's already cached.
 */
export type ObserveResult = {
    state: unknown;
    actions: LapActionsResponse['actions'];
    context: AgentContext | null;
};
export declare function handleObserve(host: ObserveHost): ObserveResult;
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