import type { AurixConfig } from '../agent/Config.js';
export interface Message {
    role: 'system' | 'user' | 'assistant' | 'tool';
    content: string;
    toolCallId?: string;
    toolCalls?: ToolCall[];
    images?: string[];
    dbId?: number;
    stableId?: string;
}
export interface ToolCall {
    id: string;
    name: string;
    arguments: Record<string, unknown>;
}
export interface ChatResponse {
    text: string;
    toolCalls: ToolCall[];
    usage?: {
        promptTokens: number;
        completionTokens: number;
    };
    finishReason?: string;
    rawSnippet?: string;
}
export interface ToolDef {
    type: 'function';
    function: {
        name: string;
        description: string;
        parameters: Record<string, unknown>;
    };
}
export interface Provider {
    name: string;
    chat(messages: Message[], tools?: ToolDef[], signal?: AbortSignal): Promise<ChatResponse>;
    streamChat?(messages: Message[], tools?: ToolDef[]): AsyncIterable<string>;
}
export declare function imageToBase64(filePath: string): {
    data: string;
    mediaType: string;
} | null;
export declare class OpenAIProvider implements Provider {
    name: string;
    private client;
    private model;
    private maxTokens;
    private temperature;
    private endpointMode;
    private baseUrl;
    private apiKey;
    private extraHeaders;
    constructor(config: AurixConfig, extraHeaders?: Record<string, string>);
    chat(messages: Message[], tools?: ToolDef[], signal?: AbortSignal): Promise<ChatResponse>;
    private parseChatResponse;
    private completionFallback;
}
export declare class AnthropicProvider implements Provider {
    name: string;
    private apiKey;
    private model;
    private maxTokens;
    private baseUrl;
    private endpointMode;
    constructor(config: AurixConfig);
    chat(messages: Message[], tools?: ToolDef[], signal?: AbortSignal): Promise<ChatResponse>;
    private anthropicNative;
    private openAICompatFallback;
}
export declare class AutoDetectProvider implements Provider {
    name: string;
    private openai;
    private anthropic;
    private resolved;
    private config;
    constructor(config: AurixConfig);
    chat(messages: Message[], tools?: ToolDef[], signal?: AbortSignal): Promise<ChatResponse>;
}
export declare function createProvider(config: AurixConfig): Provider;
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