import { HarmCategory, HarmBlockThreshold, DynamicRetrievalMode, Part, Content, GenerationConfig, SafetySetting, Tool, GenerateContentResult, GenerateContentStreamResult } from '@google/generative-ai';

declare const safetyDisabledSettings: {
    category: HarmCategory;
    threshold: HarmBlockThreshold;
}[];
declare const defaultTools: {
    webSearch: {
        googleSearchRetrieval: {
            dynamicRetrievalConfig: {
                mode: DynamicRetrievalMode;
                dynamicThreshold: number;
            };
        };
    };
    codeExecution: {
        codeExecution: {};
    };
};

declare const constants_defaultTools: typeof defaultTools;
declare const constants_safetyDisabledSettings: typeof safetyDisabledSettings;
declare namespace constants {
  export { constants_defaultTools as defaultTools, constants_safetyDisabledSettings as safetyDisabledSettings };
}

/**
 * Represents a file to be uploaded.
 */
type FileUpload = {
    buffer: ArrayBuffer;
    filePath: string;
};
/**
 * Checks if the given data is a FileUpload object.
 * @param data - The data to check.
 * @returns True if the data is a FileUpload, false otherwise.
 */
declare function isFileUpload(data: any): data is FileUpload;
/**
 * Determines the file type of a buffer.
 * @param buffer - The buffer to analyze.
 * @param filePath - Optional file path for fallback.
 * @param options - Options for strict checking.
 * @returns The detected file type.
 */
declare const getFileType: (buffer: Uint8Array | ArrayBuffer, filePath?: string | undefined, { strict }?: {
    strict?: boolean;
}) => Promise<string>;
/**
 * Options for initializing a Gemini instance.
 */
interface GeminiOptions {
    apiVersion?: string;
    fetch?: typeof fetch;
}
/**
 * Options for the `ask` method, as well as the `Chat` class.
 */
interface AskOptions {
    stream?: boolean;
    model?: string;
    history?: Content[];
    generationConfig?: GenerationConfig;
    safetySettings?: SafetySetting[];
    systemInstruction?: Content;
    tools?: Tool[];
}
/**
 * Types for various methods.
 */
type GenerateResult = GenerateContentResult | GenerateContentStreamResult;
/**
 * Represents a chat session with Gemini.
 */
declare class Chat {
    private gemini;
    private history;
    private options;
    /**
     * Creates a new Chat instance.
     * @param gemini - The Gemini instance to use.
     * @param options - Optional parameters for the chat.
     */
    constructor(gemini: Gemini, options?: Partial<AskOptions>);
    /**
     * Appends a message to the chat history.
     * @param message - The message to append.
     */
    appendMessage(message: Content): void;
    /**
     * Sends a message to Gemini and returns the response.
     * @param message - The message to send.
     * @param options - Optional parameters for the request.
     * @returns The response from Gemini. If options.stream = false, returns a single object.
     * Otherwise, returns an AsyncGenerator of results.
     */
    ask(message: string | Part[], options?: Partial<AskOptions>): Promise<GenerateResult>;
}
/**
 * Main class for interacting with the Gemini API.
 */
declare class Gemini {
    private genAI;
    private options;
    /**
     * Creates a new Gemini instance.
     * @param apiKey - Your API key for the Gemini API.
     * @param options - Optional parameters for initializing the instance.
     */
    constructor(apiKey: string, options?: Partial<GeminiOptions>);
    /**
     * Uploads a file to the Gemini API.
     * @param options - Options for the file upload.
     * @returns The URI of the uploaded file.
     */
    private uploadFile;
    /**
     * Converts a list of messages or files to Gemini API parts.
     * @param messages - The messages or files to convert.
     * @returns An array of Gemini API parts.
     */
    messageToParts(messages: (string | Uint8Array | ArrayBuffer | FileUpload)[]): Promise<Part[]>;
    /**
     * Sends a request to the Gemini API and returns the response.
     * @param message - The message to send.
     * @param options - Optional parameters for the request.
     * @returns The response from the Gemini API. If options.stream = false, returns a single object.
     * Otherwise, returns an AsyncGenerator of results.
     */
    ask(message: string | Part[], options?: Partial<AskOptions>): Promise<GenerateResult>;
    /**
     * Creates a new chat session.
     * @param options - Optional parameters for the chat.
     * @returns A new Chat instance.
     */
    createChat(options?: Partial<AskOptions>): Chat;
}

export { type AskOptions, Chat, type FileUpload, Gemini, type GeminiOptions, type GenerateResult, constants, Gemini as default, getFileType, isFileUpload };