String query = "SELECT t.members.size FROM Team t"; 오류

아래 내용 검색해보니 SIZE(t.member)로 사용하라고 안내하는데 왜 저는 안되는걸까요...?

java.lang.IllegalArgumentException: org.hibernate.query.SemanticException: illegal attempt to dereference collection [com.example.jpql.jpql.Team(t).members] with element property reference [size]

Caused by: org.hibernate.query.SemanticException: illegal attempt to dereference collection [com.example.jpql.jpql.Team(t).members] with element property reference [size]