/**
 * Checks if current environment is 'development'
 */
export declare function isDevEnv(): boolean;
/**
 * Calls console[type] with provided args
 * Useful to distinguish logs that should be in production
 * @param type - type of console (e.g. log, error)
 * @param args
 */
export declare function log<T extends keyof Console>(type: T, ...args: Parameters<Console[T]>): any;
/**
 * Function that calls console[type] only in dev environment
 * @param type - type of console (e.g. log, error)
 * @param args
 */
export declare function devLog<T extends keyof Console>(type: T, ...args: Parameters<Console[T]>): void;
/**
 * Makes promise cancelable
 * @author istarkov
 */
export declare function makeCancelable<T = any>(promise: Promise<T>): {
    promise: Promise<T>;
    cancel(): void;
};