public void setUsers(java.util.Collection<UserByPermissionGroup> users) {
        if (users == null) {
            this.users = null;
            return;
        }

        this.users = new java.util.ArrayList<UserByPermissionGroup>(users);
    }
<p>
Lists details of all users in a specific permission group.
</p>

@param users
       Lists details of all users in a specific permission group.
aws-java-sdk-finspacedata/src/main/java/com/amazonaws/services/finspacedata/model/ListUsersByPermissionGroupResult.java