/** * Defines properties on a `Object`. It make the assumption that underlying data is binary. * @param self the `Object` to define properties on * @param fields an array fields to define. Fields can contain: * * `name` - the name of the properties * * `length` - the number of bytes the field can have * * `allowLess` - if the field can be less than the length * * `allowEmpty` * @param data data to be validated against the definitions * @deprecated */ export declare const defineProperties: (self: any, fields: any, data?: any) => void;