| Class | Description | 
|---|---|
| EnvValueTypes | 
 This class contains environment value types that are provided by OSB 
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| InternalRefs | 
 This class is used to define all the resource types and resources that are internal to or reserved by OSB. 
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| Refs | |
| SourceUtils | 
 Utils class defining the default extensions for all resources. 
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| SystemProperties | 
 Class defining the system properties used by OSB. 
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| ZipUtils | 
 Contains default file extensions for resources imported via bulk import facility 
 |