import OpenAI from 'openai';
import type { ChatPromptResult } from '../../execution/PromptResult';
import type { Prompt } from '../../types/Prompt';
import type { string_date_iso8601, string_token } from '../../types/string_token';
import { OpenAiAssistantExecutionToolsProgressReporter } from './OpenAiAssistantExecutionToolsProgressReporter';
/**
 * Shared context for one assistant chat call after prompt preparation finishes.
 *
 * @private helper of `OpenAiAssistantExecutionToolsStreamRunner`
 */
type AssistantChatCallContext = {
    readonly client: OpenAI;
    readonly prompt: Prompt;
    readonly rawPromptContent: string;
    readonly threadMessages: ReadonlyArray<OpenAI.Beta.ThreadCreateAndRunParams.Thread.Message>;
    readonly start: string_date_iso8601;
    readonly onProgress: (chunk: ChatPromptResult) => void;
};
/**
 * Runs streaming assistant requests that do not require hosted tool execution.
 *
 * @private helper of `OpenAiAssistantExecutionTools`
 */
export declare class OpenAiAssistantExecutionToolsStreamRunner {
    private readonly options;
    /**
     * Creates one stream runner instance.
     */
    constructor(options: {
        readonly assistantId: string_token;
        readonly isVerbose: boolean;
        readonly progressReporter: OpenAiAssistantExecutionToolsProgressReporter;
    });
    /**
     * Runs assistant calls without tools through the streaming Assistants API.
     */
    callChatModelStreamWithoutTools(context: AssistantChatCallContext): Promise<ChatPromptResult>;
    /**
     * Builds the streaming assistant request payload used when no tool execution flow is needed.
     */
    private createAssistantStreamingRequest;
    /**
     * Registers verbose stream diagnostics plus incremental text progress forwarding.
     */
    private attachAssistantStreamListeners;
    /**
     * Resolves the final visible assistant text from a streaming response.
     */
    private resolveAssistantStreamingResultContent;
    /**
     * Extracts the single text content block returned by the assistant stream.
     */
    private extractSingleAssistantTextContentBlock;
    /**
     * Rewrites file citation markers to use retrieved filenames instead of generic source labels.
     */
    private replaceAssistantFileCitationMarkers;
    /**
     * Returns one citation filename, caching OpenAI file lookups across annotations.
     */
    private retrieveAssistantCitationFilename;
}
export {};