question: returns the number of groups in the map . concode_field_sep Comparable defaultGroup concode_elem_sep long serialVersionUID concode_elem_sep Map keyToGroupMap concode_elem_sep List groups concode_field_sep int getGroupIndex concode_elem_sep Comparable getGroup concode_elem_sep boolean equals concode_elem_sep Object clone concode_elem_sep Object clone concode_elem_sep Collection clone concode_elem_sep int getKeyCount concode_elem_sep void mapKeyToGroup concode_elem_sep List getGroups
target: int function ( ) { return this . groups . size ( ) + 1 ; }