import { Checkpoint, CheckpointMetadata } from '@langchain/langgraph';
import { RunnableConfig } from '@langchain/core/runnables';
import { IDatabaseEntity } from '../../../src';
import { DataSource } from 'typeorm';
export type SaverOptions = {
    datasourceOptions: any;
    threadId: string;
    appDataSource: DataSource;
    databaseEntities: IDatabaseEntity;
    chatflowid: string;
    orgId: string;
};
export interface CheckpointTuple {
    config: RunnableConfig;
    checkpoint: Checkpoint;
    metadata?: CheckpointMetadata;
    parentConfig?: RunnableConfig;
}
export interface SerializerProtocol<D> {
    stringify(obj: D): string;
    parse(data: string): Promise<D>;
}