export declare const valueType: (val: any) => string;
export declare const isString: (val: any) => val is string;
export declare const isNumber: (val: any) => val is number;
export declare const isArray: (val: any) => val is any[];
export declare const isObject: (val: any) => val is Record<string, unknown>;
export declare const isNull: (val: any) => val is null;
export declare const isUndefined: (val: any) => val is undefined;
export declare const isNullable: (val: any) => val is null | undefined;
export declare const isBoolean: (val: any) => val is boolean;
export declare const isElement: (val: any) => val is Element;
export declare const isHTMLElement: (val: any) => val is HTMLElement;
export declare const isText: (val: any) => val is Text;
