public ListImpersonationRolesResult withRoles(java.util.Collection<ImpersonationRole> roles) {
        setRoles(roles);
        return this;
    }
<p>
The list of impersonation roles under the given WorkMail organization.
</p>

@param roles
       The list of impersonation roles under the given WorkMail organization.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-workmail/src/main/java/com/amazonaws/services/workmail/model/ListImpersonationRolesResult.java