| Interface | Description | 
|---|---|
| Identifiable | Object with a unique identifier. | 
| Class | Description | 
|---|---|
| Args | |
| Asserts | |
| ByteArrayBuffer | A resizable byte array. | 
| CharArrayBuffer | A resizable char array. | 
| Deadline | A deadline based on a UNIX time, the elapsed since 00:00:00 Coordinated Universal Time (UTC), Thursday, 1 January
 1970. | 
| LangUtils | |
| ReflectionUtils | |
| TextUtils | |
| Timeout | Represents a timeout value as a non-negative  longtime andTimeUnit. | 
| TimeValue | Represents a time value as a  longtime and aTimeUnit. | 
| Tokenizer | Tokenizer that can be used as a foundation for more complex parsing routines. | 
| Tokenizer.Cursor | |
| VersionInfo | Provides access to version information for HTTP components. | 
| Exception | Description | 
|---|---|
| DeadlineTimeoutException | A specialization of  TimeoutExceptionthat carries a deadline and an actual value, both as UNIX times. | 
| TimeoutValueException | A specialization of  TimeoutExceptionthat carries aTimeoutdeadline and the actual value. | 
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