Icarus Class: LibVirtual
Contains information to define a virtual library if the library is a virtual library containing several other libraries.
memberLibs Attribute is multivalued (list). Library  
  The member libraries comprising the virtual library. These should be paths as defined in their .i files - i.e. $EMBL_DB, etc
correspondingLibs Attribute is multivalued (list). Library  
  If the library is a sublibrary of a virtual library then include the names of the corresponding libraries. In the case where there are multiple sub libraries the relationship needs to be unambiguous. See $SWISSPROTALL_DB in swissprot.i for an example.
restrictOn  
  Use one of the following values. normal user
  If the virtual library is type restriced then the restriction can be on a normal library or user library.
virtualQueries Attribute is multivalued (list). LibVirtualQuery  
  A query string to be operated on with the returning set.