import type { EscalationReason } from '../escalation/types.js';
import type { AgentConfig } from '../types/agentConfig.js';
import type { ChannelDriver } from '../types/channel.js';
import type { RunContext } from '../types/run-context.js';
import type { RunState } from './durable/types.js';
import { type ClassifyHostOptions, type HostGuardVerdict } from './select.js';
import type { selectHostTarget } from './select.js';
export type HostLoopResult = {
    kind: 'handoff';
    to: string;
    reason?: string;
    category?: EscalationReason;
} | {
    kind: 'ended';
    reason: string;
} | {
    kind: 'paused';
} | {
    kind: 'turnComplete';
};
export interface HostLoopOptions {
    agent: AgentConfig;
    run: RunState;
    driver: ChannelDriver;
    ctx: RunContext;
    classify?: (opts: ClassifyHostOptions) => Promise<HostGuardVerdict>;
    /** @deprecated Test injection — use classify. */
    select?: typeof selectHostTarget;
}
export declare function hostLoop(options: HostLoopOptions): Promise<HostLoopResult>;