it returns the number of items contained in the pattern concode_field_sep BitSet appearingIn concode_elem_sep List<ItemAbstractionPair> elements concode_field_sep void add concode_elem_sep String toStringToFile concode_elem_sep Pattern clonePattern concode_elem_sep void clear concode_elem_sep void setElements concode_elem_sep int compareTo concode_elem_sep ItemAbstractionPair getIthElement concode_elem_sep int hashCode concode_elem_sep List<ItemAbstractionPair> getElements concode_elem_sep ItemAbstractionPair getLastElement concode_elem_sep boolean equals concode_elem_sep String toString concode_elem_sep BitSet getAppearingIn concode_elem_sep ItemAbstractionPair getLastButOneElement concode_elem_sep void setAppearingIn concode_elem_sep boolean isPrefix concode_elem_sep List<ItemAbstractionPair> getNElements
int function ( ) { return elements . size ( ) ; }