typedef struct {
         PEXEnumTypeIndex      type;
         PEXEnumTypeIndex      interp_method;
         PEXCurveApprox        curve_approx;
         float                 width;
         PEXColorSpecifier     color;
   } PEXLineBundleEntry;
 
For a list of data structures for lookup tables, see Data Structures for Lookup Tables.