export interface LLMModel {
    id: string;
    name?: string;
    inputCostPer1KTokens?: number;
    outputCostPer1KTokens?: number;
    cacheReadCostPer1KTokens?: number;
    cacheWriteCostPer1KTokens?: number;
    supported_apis?: string[];
    metadata?: {
        context_length?: number;
    };
    [key: string]: unknown;
}
/** Options accepted by the chat/completions API. */
export interface ILLMConfig extends Record<string, unknown> {
    presence_penalty?: number;
    frequency_penalty?: number;
    max_tokens?: number;
    temperature?: number;
    top_p?: number;
    enable_prompt_caching?: boolean;
    cache_system_prompt?: boolean;
}
/** Options accepted by the responses API (superset ignored). */
export interface ILLMResponsesConfig extends Record<string, unknown> {
    max_tokens?: number;
    temperature?: number;
    top_p?: number;
}
export interface ILLM {
    getModels(): Promise<LLMModel[]>;
    /** chat/completions, non-streaming. Codex models route to the responses API. */
    llm(prompt: string, model?: string, systemmsg?: string, llm_config?: ILLMConfig, transformCodexResponse?: boolean): Promise<unknown>;
    /** chat/completions, streaming SSE body. */
    llmStream(prompt: string, model?: string, systemmsg?: string, llm_config?: ILLMConfig, transformCodexStream?: boolean): Promise<ReadableStream<Uint8Array>>;
    /** responses API, non-streaming. */
    llmResponses(prompt: string, model?: string, systemmsg?: string, llm_config?: ILLMResponsesConfig): Promise<unknown>;
    /** responses API, streaming SSE body. */
    llmResponsesStream(prompt: string, model?: string, systemmsg?: string, llm_config?: ILLMResponsesConfig): Promise<ReadableStream<Uint8Array>>;
}