import type { ChatCompletionFunctionTool } from "../types/tool.js";
export interface ChatCompletionsCallOptions {
    gatewayConfig: {
        apiKey?: string;
        baseURL?: string;
        defaultHeaders?: Record<string, string>;
        extraBody?: Record<string, unknown>;
    };
    modelConfig: Record<string, unknown>;
    messages: Array<{
        role: string;
        content: string;
        tool_call_id?: string;
        tool_calls?: Array<{
            id: string;
            type: "function";
            function: {
                name: string;
                arguments: string;
            };
        }>;
    }>;
    systemPrompt?: string;
    tools?: ChatCompletionFunctionTool[];
    abortSignal?: AbortSignal;
    toolChoice?: "auto" | "none" | "required" | {
        type: "function";
        function: {
            name: string;
        };
    };
    maxTokens?: number;
    model?: string;
    /** 采样温度覆盖。子任务（title/predict/goal-eval/structured-output）用 0.1 降低随机性。 */
    temperature?: number;
    /** top_p 覆盖。 */
    topP?: number;
}
export interface ChatCompletionsCallResult {
    content?: string;
    tool_calls?: Array<{
        id: string;
        type: "function";
        function: {
            name: string;
            arguments: string;
        };
    }>;
    reasoning_content?: string;
    finish_reason?: "stop" | "length" | "tool_calls" | "content_filter" | null;
}
export type ChatCompletionsStreamEvent = {
    type: "text-delta";
    text: string;
} | {
    type: "reasoning-delta";
    text: string;
} | {
    type: "tool-call-delta";
    toolCallId: string;
    toolName: string;
    argsChunk: string;
    accumulatedArgs: string;
} | {
    type: "tool-call-start";
    toolCallId: string;
    toolName: string;
    args: string;
} | {
    type: "finish";
    finishReason: string;
    usage?: {
        inputTokens: number;
        outputTokens: number;
        totalTokens: number;
    };
} | {
    type: "error";
    error: string;
};
export declare function callAgentStream(options: ChatCompletionsCallOptions): AsyncGenerator<ChatCompletionsStreamEvent>;
export declare function callAgent(options: ChatCompletionsCallOptions): Promise<ChatCompletionsCallResult>;