export declare enum LogType {
    Log = 0,
    Warn = 1,
    Error = 2
}
export declare function getErrorCount(): number;
/** Register callback when a new error happens */
export declare function onError(cb: (...args: any[]) => void): void;
/** Unregister error callback */
export declare function offError(cb: (...args: any[]) => void): void;
/** Set false to prevent overlay messages from being shown */
export declare function setAllowBalloonMessages(allow: boolean): void;
/**
 * @deprecated Use {@link setAllowBalloonMessages} instead
 */
export declare function setAllowOverlayMessages(allow: boolean): void;
export declare function makeErrorsVisibleForDevelopment(): void;
export declare function addLog(type: LogType, message: string | any[], _file?: string | null, _line?: number | null): void;
/**
 * Clear all overlay messages from the screen
 */
export declare function clearMessages(): void;