import { APIResource } from "../../core/resource.js";
import * as ToolsAPI from "../tools.js";
import * as MessagesAPI from "../agents/messages.js";
import { ArrayPage, type ArrayPageParams, PagePromise } from "../../core/pagination.js";
import { RequestOptions } from "../../internal/request-options.js";
export declare class Messages extends APIResource {
    /**
     * List messages for a given step.
     */
    list(stepID: string, query?: MessageListParams | null | undefined, options?: RequestOptions): PagePromise<MessageListResponsesArrayPage, MessageListResponse>;
}
export type MessageListResponsesArrayPage = ArrayPage<MessageListResponse>;
/**
 * A message generated by the system. Never streamed back on a response, only used
 * for cursor pagination.
 *
 * Args: id (str): The ID of the message date (datetime): The date the message was
 * created in ISO format name (Optional[str]): The name of the sender of the
 * message content (str): The message content sent by the system
 */
export type MessageListResponse = MessagesAPI.SystemMessage | MessagesAPI.UserMessage | MessagesAPI.ReasoningMessage | MessagesAPI.HiddenReasoningMessage | MessagesAPI.ToolCallMessage | ToolsAPI.ToolReturnMessage | MessagesAPI.AssistantMessage | MessagesAPI.ApprovalRequestMessage | MessagesAPI.ApprovalResponseMessage | MessagesAPI.SummaryMessage | MessagesAPI.EventMessage;
export interface MessageListParams extends ArrayPageParams {
}
export declare namespace Messages {
    export { type MessageListResponse as MessageListResponse, type MessageListResponsesArrayPage as MessageListResponsesArrayPage, type MessageListParams as MessageListParams, };
}
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