import type { GenerateTextResult, StreamTextResult, ToolSet, ModelMessage, LanguageModelUsage, TextStreamPart } from "ai";
import { Output } from "ai";
import type { SseErrorFrame } from "../../utils/stream";
import { type RuntimeContext, type TextCallOptions, type ToolChoiceOptions } from "../shared/converters";
import type { ResponsesInputItem, ResponsesInputs, Responses, ResponsesUsage, ResponsesStream, ResponsesStreamEvent, ResponsesToolChoice, ResponsesTool } from "./schema";
export declare function convertToTextCallOptions(params: ResponsesInputs): TextCallOptions;
export declare function convertToModelMessages(input: string | ResponsesInputItem[], instructions?: string): ModelMessage[];
export declare const convertToToolSet: (tools: ResponsesTool[] | undefined) => ToolSet | undefined;
export declare const convertToToolChoiceOptions: (toolChoice: ResponsesToolChoice | undefined) => ToolChoiceOptions;
export declare function toResponses(result: GenerateTextResult<ToolSet, RuntimeContext, Output.Output>, model: string, metadata?: Record<string, string> | null): Responses;
export declare function toResponsesResponse(result: GenerateTextResult<ToolSet, RuntimeContext, Output.Output>, model: string, metadata?: Record<string, string> | null, responseInit?: ResponseInit): Response;
export declare function toResponsesStream(result: StreamTextResult<ToolSet, RuntimeContext, Output.Output>, model: string, metadata?: Record<string, string> | null): ResponsesStream;
export declare function toResponsesStreamResponse(result: StreamTextResult<ToolSet, RuntimeContext, Output.Output>, model: string, metadata?: Record<string, string> | null, responseInit?: ResponseInit): Response;
export declare function toResponsesUsage(usage: LanguageModelUsage): ResponsesUsage;
export declare class ResponsesTransformStream extends TransformStream<TextStreamPart<ToolSet>, ResponsesStreamEvent | SseErrorFrame> {
    constructor(model: string, metadata?: Record<string, string> | null);
}