export type Tone = 'gentle' | 'warm' | 'cheerful' | 'quirky' | 'delicate';
export type Mode = 'empathy' | 'analysis' | 'suggestion' | 'praise' | 'playful';
export type Tier = 1.0 | 2.0 | 3.0;
export type SupportedLang = 'ko' | 'en';
export type LLMProvider = 'openai' | 'mock';
export interface ChatRequest {
    message: string;
    tone?: Tone;
    mode?: Mode;
    tier?: Tier;
    lang?: SupportedLang;
    provider?: LLMProvider;
    llmApiKey?: string;
}
export interface UsageInfo {
    total_tokens: number;
    input_tokens: number;
    output_tokens: number;
}
export interface CreditInfo {
    used: number;
    remaining: number;
    tier: string;
}
export interface ApiKeyUsageInfo {
    total_requests: number;
    is_guest: boolean;
    limit_exceeded: boolean;
}
export interface ChatResponseData {
    message: string;
    usage: UsageInfo;
    tier: string;
    mode: string;
    tone: string;
    authenticated: boolean;
    userId: string;
    note: string;
    credits?: CreditInfo;
    api_key_usage?: ApiKeyUsageInfo;
}
export interface ChatResponse {
    success: boolean;
    data: ChatResponseData;
}
export interface IssueKeyResponse {
    apiKey: string;
}
export interface HUAError {
    error: string;
    message: string;
    details?: string;
}
export interface HUALiteConfig {
    baseUrl?: string;
    timeout?: number;
    retries?: number;
    retryDelay?: number;
}
export interface HUALiteInterface {
    chat(request: ChatRequest): Promise<ChatResponse>;
    issueKey(): Promise<string>;
}
export interface PresetDescription {
    name: string;
    description: string;
    examples: string[];
}
export interface PresetInfo {
    gentle: PresetDescription;
    warm: PresetDescription;
    cheerful: PresetDescription;
    quirky: PresetDescription;
    delicate: PresetDescription;
}
export interface ModeDescription {
    name: string;
    description: string;
    useCases: string[];
}
export interface ModeInfo {
    empathy: ModeDescription;
    analysis: ModeDescription;
    suggestion: ModeDescription;
    praise: ModeDescription;
    playful: ModeDescription;
}
export interface TierDescription {
    name: string;
    description: string;
    creditCost: number;
    maxTokens: number;
}
export interface TierInfo {
    '1.0': TierDescription;
    '2.0': TierDescription;
    '3.0': TierDescription;
}
export declare const TONE_PRESETS: Tone[];
export declare const MODE_PRESETS: Mode[];
export declare const TIER_PRESETS: Tier[];
export declare const SUPPORTED_LANGS: SupportedLang[];
export declare const LLM_PROVIDERS: LLMProvider[];
export declare const DEFAULT_CONFIG: Required<HUALiteConfig>;
export type DeepPartial<T> = {
    [P in keyof T]?: T[P] extends object ? DeepPartial<T[P]> : T[P];
};
export type Optional<T, K extends keyof T> = Omit<T, K> & Partial<Pick<T, K>>;
export interface HUAEvent {
    type: 'request' | 'response' | 'error' | 'retry';
    timestamp: Date;
    data: any;
}
export type EventListener = (event: HUAEvent) => void;