import type { LLMTokensUsage, FinishReason, LLMOptions, LLMRequest, LLMResponse, LLMApiProviderOptions } from '../models/llm.models';
import type { LLMAssistantMessage, LLMMessage } from '../models/llm-message.models';
import type { LLMTool } from '../models/llm-tool.models';
import type { JSONObject } from '../models/data.models';
export interface LLMApiResponse {
    message: LLMAssistantMessage;
    usage: LLMTokensUsage;
    finishReason: FinishReason;
    request: LLMRequest;
    response: LLMResponse;
}
export declare abstract class LLMApiService {
    abstract getURL(): string;
    abstract getHeaders(): Record<string, string>;
    abstract formatMessagePayload(message: LLMMessage): JSONObject;
    abstract formatToolCallPayload(tool: LLMTool): JSONObject;
    abstract formatOptionsPayload(options: LLMOptions): JSONObject;
    abstract parseAssistantResponse(data: JSONObject): Omit<LLMApiResponse, 'request' | 'response'>;
    createAssistantMessage(messages: LLMMessage[], tools?: LLMTool[], options?: LLMOptions & {
        providerOptions?: LLMApiProviderOptions;
    }): Promise<LLMApiResponse>;
}