| Class | Description | 
|---|---|
| OffsetEquation | An offset equation is 2 sets of Java expression strings, one set of added terms and one set of
 subtracted terms, and a single integer constant. | 
| UBQualifier | Abstraction for Upper Bound annotations. | 
| UBQualifier.LessThanLengthOf | The less-than-length-of qualifier (@LTLengthOf). | 
| UBQualifier.UpperBoundLiteralQualifier | Represents an integer value that is known at compile time. | 
| UBQualifier.UpperBoundUnknownQualifier | The top type qualifier. | 
| UpperBoundAnnotatedTypeFactory | Implements the introduction rules for the Upper Bound Checker. | 
| UpperBoundChecker | A type-checker for preventing arrays from being accessed with values that are too high. | 
| UpperBoundTransfer | Contains the transfer functions for the upper bound type system, a part of the Index Checker. | 
| UpperBoundVisitor | Warns about array accesses that could be too high. |