public ListUsersByPermissionGroupResult withUsers(UserByPermissionGroup... users) {
        if (this.users == null) {
            setUsers(new java.util.ArrayList<UserByPermissionGroup>(users.length));
        }
        for (UserByPermissionGroup ele : users) {
            this.users.add(ele);
        }
        return this;
    }
<p>
Lists details of all users in a specific permission group.
</p>
<p>
<b>NOTE:</b> This method appends the values to the existing list (if any). Use
{@link #setUsers(java.util.Collection)} or {@link #withUsers(java.util.Collection)} if you want to override the
existing values.
</p>

@param users
       Lists details of all users in a specific permission group.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-finspacedata/src/main/java/com/amazonaws/services/finspacedata/model/ListUsersByPermissionGroupResult.java