import OpenAI from 'openai';
import { ChatOptions, ChatResponse, ProviderOptions, ModelInfo, IDuckProvider, OpenAIChatParams, OpenAIChatResponse } from './types.js';
import { ConversationMessage, ContentPart } from '../config/types.js';
import { GuardrailsService } from '../guardrails/service.js';
export declare class DuckProvider implements IDuckProvider {
    protected client: OpenAI;
    protected options: ProviderOptions;
    protected guardrailsService?: GuardrailsService;
    name: string;
    nickname: string;
    constructor(name: string, nickname: string, options: ProviderOptions, guardrailsService?: GuardrailsService);
    protected supportsTemperature(model: string): boolean;
    chat(options: ChatOptions): Promise<ChatResponse>;
    protected createChatCompletion(baseParams: Partial<OpenAIChatParams>): Promise<OpenAIChatResponse>;
    healthCheck(): Promise<boolean>;
    protected convertContentParts(parts: ContentPart[]): Array<{
        type: 'text';
        text: string;
    } | {
        type: 'image_url';
        image_url: {
            url: string;
        };
    }>;
    protected prepareMessages(messages: ConversationMessage[], systemPrompt?: string): Array<{
        role: string;
        content: string | Array<{
            type: 'text';
            text: string;
        } | {
            type: 'image_url';
            image_url: {
                url: string;
            };
        }>;
    }>;
    listModels(): Promise<ModelInfo[]>;
    getInfo(): {
        name: string;
        nickname: string;
        model: string;
        type: "http";
        availableModels: string[] | undefined;
        baseURL: string;
        hasApiKey: boolean;
    };
}
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