import type { BaseMessage } from '@langchain/core/messages';
import type { Session } from 'koishi';
import type { MemoryScope } from '../../contracts/memory';
import { type UserSpeakerCache } from './user_speaker';
export declare const livingMemoryRawContentKey = "living_memory_raw_content";
export declare const getChatLunaMessageCreatedAt: (message: BaseMessage) => Date | null;
export declare const getMessageTextParts: (message: BaseMessage) => string[];
export declare const setLivingMemoryRawContent: (message: BaseMessage, rawContent: string) => void;
export declare const toChatLunaTranscriptMessageResult: (scope: MemoryScope, session: Session, message: BaseMessage, options?: {
    fallbackCreatedAt?: Date;
    speakerCache?: UserSpeakerCache;
}) => Promise<import("./transcript_message").LivingMemoryTranscriptMessageInvalidResult | import("./transcript_message").LivingMemoryTranscriptMessageValidResult | {
    message: null;
    reason: 'unsupported-role';
}>;