-///! Kind of an object in a document
-typedef int ObjectKind;
-///! Unrecognized object
-const ObjectKind KIND_UNKNOWN = 0;
-const ObjectKind KIND_IMAGE = 1;
-const ObjectKind KIND_POLYLINE = 2;
-const ObjectKind KIND_VISUAL_STATE = 3;
-const ObjectKind KIND_BATHYMETRY = 4;
-const ObjectKind KIND_CALCULATION = 5;