| Interface | Description | 
|---|---|
| Problem | 
 Describes a problem that was encountered during settings building. 
 | 
| ProblemCollector | 
 Collects problems that are encountered during settings building. 
 | 
| Source | 
 Provides access to the contents of a source independently of the backing store (e.g. 
 | 
| Class | Description | 
|---|---|
| FileSource | 
 Wraps an ordinary  
File as a source. | 
| ProblemCollectorFactory | |
| StringSource | 
 Wraps an ordinary  
CharSequence as a source. | 
| UrlSource | 
 Wraps an ordinary  
URL as a source. | 
| Enum | Description | 
|---|---|
| Problem.Severity | 
 The different severity levels for a problem, in decreasing order. 
 | 
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