find the first element that matches the provided filter and convert it using the provided mapper . if no element matches the provided filter or if the collection is empty , the provided default value is returned . if this collection does not maintain order like set it is undefined which value is returned . concode_field_sep PlaceHolder placeHolder concode_field_sep void findAllInstanceOf concode_elem_sep void forEach concode_elem_sep void forEach concode_elem_sep boolean containsOnly concode_elem_sep boolean containsAny concode_elem_sep int getIteratorCount concode_elem_sep int getIteratorCount concode_elem_sep ELEMENTTYPE findFirst concode_elem_sep ELEMENTTYPE findFirst concode_elem_sep EContinue forEachBreakable concode_elem_sep boolean containsNone concode_elem_sep void findAllMapped concode_elem_sep void findAllMapped concode_elem_sep void findAllMapped concode_elem_sep void findAll
DSTTYPE function ( @ Nullable final Predicate < ? super ELEMENTTYPE > arg0 , @ Nonnull final Function < ? super ELEMENTTYPE , DSTTYPE > arg1 , @ Nullable final DSTTYPE arg2 ) { return CollectionHelper . findFirstMapped ( this , arg0 , arg1 , arg2 ) ; }