export declare const DRIVE_API_BASE_URL = "https://www.googleapis.com/drive/v3";
export declare const DRIVE_UPLOAD_URL = "https://www.googleapis.com/upload/drive/v3";
export declare function makeDriveApiCall(method: 'GET' | 'POST' | 'PUT' | 'DELETE' | 'PATCH', endpoint: string, accessToken: string, body?: unknown): Promise<unknown>;
export declare function uploadFile(accessToken: string, metadata: Record<string, unknown>, content: string | Buffer, mimeType: string, fileId?: string): Promise<unknown>;
export declare function isTextMimeType(mimeType: string): boolean;
export declare function downloadFile(accessToken: string, fileId: string): Promise<{
    content: string;
    mimeType: string;
    isBase64: boolean;
}>;
export declare function exportFile(accessToken: string, fileId: string, exportMimeType: string): Promise<{
    content: string;
    mimeType: string;
    isBase64: boolean;
}>;