| Class | Description | 
|---|---|
| ArrayUtils | Various array utilities. | 
| Closeables | Closeables provide utility method for closing Streams Channels and Closeables. | 
| Constants | Convenience Constants. | 
| Constants.Action | Convenience constants. | 
| Constants.Config | TConvenience constants. | 
| Constants.Devices | Convenience constants. | 
| Constants.Eddystone | |
| Constants.Firmware | Convenience constants. | 
| Constants.Manager | Convenience constants. | 
| Constants.Proximity | |
| Constants.Region | |
| Constants.TLM | |
| Constants.Venue | Convenience constants. | 
| ConversionUtils | Converter provides utility methods which useful when working with Beacons. | 
| EddystoneUtils | Utility methods for Eddystone devices. | 
| HashCodeBuilder | HashCodeBuilder is used to build hashCode for objects. | 
| HttpCodes | HTTP requests codes. | 
| IBeaconPropertyValidator | Provides checking methods for different properties of iBeacon devices. | 
| LimitedLinkedHashMap<K,V> | Limited linked hash map acts as a normal map with subtle difference concerning
 size which is limited. | 
| PermissionsUtils | Simple helper class that checks if given permission is granted. | 
| SDKEqualsBuilder | |
| SDKOptional<T> | The type Optional. | 
| SDKPreconditions | Preconditions provide utility validation methods. | 
| SecureProfileUtils | Kontakt.io Secure Profile utilities. |