import type { RoutingInstructionState } from './routing-instructions.js';
export declare const DEFAULT_STOP_MESSAGE_MAX_REPEATS = 10;
export declare function serializeStopMessageState(state: RoutingInstructionState): Record<string, unknown>;
export declare function deserializeStopMessageState(data: Record<string, unknown>, state: RoutingInstructionState): void;
export declare function normalizeStopMessageStageMode(value: unknown): 'on' | 'off' | 'auto' | undefined;
export declare function ensureStopMessageModeMaxRepeats(state: RoutingInstructionState): boolean;
export declare function normalizeStopMessageAiMode(value: unknown): 'on' | 'off' | undefined;
