export declare const isInteger: (value: any) => value is number;
export declare const isString: (value: any) => value is string;
export declare const isBoolean: (value: any) => value is boolean;
export declare const isNumber: (value: any) => value is number;
export declare const isObject: (value: any) => value is Record<PropertyKey, unknown>;
export declare const isArray: (value: any) => value is Array<unknown>;
export declare const isNull: (value: any) => value is null;
export declare const isUndefined: (value: any) => value is undefined;