JGAS Configuration Reference These topics provide reference details for JGAS configuration. JGAS configuration file The JGAS configuration file, as.xcf, provides default configurations for embedded applications. JGAS configuration file hierarchy A listing of elements valid in the JGAS configuration file, shown hierarchically. Syntax diagrams Syntax diagrams indicate the rules and requirements for the XML-based GAS configuration file elements. Configuration file elements An alphabetical listing of the elements used across the JGAS configuration files.