import { InputValues, MemoryVariables, BaseMemory, OutputValues } from "./base.js";
import { BaseChatMemory, BaseChatMemoryInput } from "./chat_memory.js";
export interface CombinedMemoryInput extends BaseChatMemoryInput {
    memories: BaseMemory[];
    humanPrefix?: string;
    aiPrefix?: string;
    memoryKey?: string;
}
export declare class CombinedMemory extends BaseChatMemory implements CombinedMemoryInput {
    humanPrefix: string;
    aiPrefix: string;
    memoryKey: string;
    memories: BaseMemory[];
    constructor(fields?: CombinedMemoryInput);
    checkRepeatedMemoryVariable(): void;
    checkInputKey(): void;
    loadMemoryVariables(inputValues: InputValues): Promise<MemoryVariables>;
    saveContext(inputValues: InputValues, outputValues: OutputValues): Promise<void>;
    clear(): Promise<void>;
    get memoryKeys(): string[];
}