export declare const ERROR_MSG = "a runtime error occured! Use Inferno in development environment to find the error.";
export declare const isArray: (arg: any) => arg is any[];
export declare function isStringOrNumber(o: any): o is string | number;
export declare function isNullOrUndef(o: any): o is undefined | null;
export declare function isInvalid(o: any): o is null | boolean | undefined;
export declare function isFunction(o: any): o is Function;
export declare function isString(o: any): o is string;
export declare function isNumber(o: any): o is number;
export declare function isNull(o: any): o is null;
export declare function isUndefined(o: any): o is undefined;
export declare function throwError(message?: string): void;
export declare function warning(message: string): void;
export declare function combineFrom(first: {} | null, second: {} | null): object;
