export declare const EMPTY: boolean;
export declare const NOT_EMPTY: boolean;
export declare enum CheckType {
    NULL = 0,
    NUMBER = 1,
    BOOLEAN = 2,
    SYMBOL = 3,
    STRING = 4,
    ARRAY = 5,
    OBJECT = 6,
    FUNCTION = 7,
    BIGINT = 8,
    NAN = 9,
    UNDEFINED = 10
}
export declare type CheckResponse = {
    type: CheckType;
    result: boolean;
};
export default function checkvar(el: any, fullResponse?: boolean): boolean | CheckResponse;