import { Message, Task, Artifact } from "../types";
import { IExecutionEventBus } from "../event/event_bus";
export type MomentoAgentHandlerResult = string | {
    parts?: Array<{
        kind: "text";
        text: string;
    } | {
        kind: "file";
        file: any;
    } | {
        kind: "data";
        data: any;
    }>;
    artifacts?: Artifact[];
    metadata?: Record<string, any>;
} | Partial<Task>;
export type PublishUpdateFn = (message: string) => Promise<void>;
export type HandleTaskFn = (message: Message, context: {
    task: Task;
    publishUpdate: PublishUpdateFn;
}) => Promise<MomentoAgentHandlerResult>;
export interface MomentoAgentExecutorOptions {
    agentName?: string;
    agentId?: string;
}
export declare class MomentoAgentExecutor {
    private readonly handleTask;
    private readonly agentName?;
    private readonly agentId?;
    constructor(handleTask: HandleTaskFn, opts?: MomentoAgentExecutorOptions);
    execute(message: Message, eventBus: IExecutionEventBus, context: {
        task?: Task;
    }): Promise<void>;
}
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