import type { RuntimeAgentDef, RuntimeModelOption } from './types.js';
export declare const DEFAULT_MODEL_OPTION: RuntimeModelOption;
export declare function rememberLiveModels(agentId: string, models: RuntimeModelOption[]): void;
export declare function isKnownModel(def: RuntimeAgentDef, modelId: string | null | undefined): boolean;
export declare function sanitizeCustomModel(id: string | null | undefined): string | null;
