/**
 * IntentGate hook — wires the multi-signal IntentRouter into
 * experimental.chat.messages.transform.
 *
 * Two modes:
 *   - 'advise' (default): appends a system hint suggesting a better agent
 *   - 'gate': replaces the user message with a redirect notice
 *
 * Default: disabled. Enable via `intentGate.enabled: true`.
 */
import type { Logger, PluginConfig } from '../types';
export interface IntentRouterHooks {
    /** Call from experimental.chat.messages.transform. */
    onMessagesTransform: (output: {
        messages: Array<{
            info: {
                role: string;
                agent?: string;
            };
            parts: Array<Record<string, unknown>>;
        }>;
    }) => void;
}
export declare function createIntentRouterHooks(logger: Logger, config: PluginConfig): IntentRouterHooks;
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