@CustomType.Setter
        public Builder roleRef(RoleRef roleRef) {
            if (roleRef == null) {
              throw new MissingRequiredPropertyException("ClusterRoleBinding", "roleRef");
            }
            this.roleRef = roleRef;
            return this;
        }
@return Subjects holds references to the objects the role applies to.
sdk/java/src/main/java/com/pulumi/kubernetes/rbac/v1beta1/outputs/ClusterRoleBinding.java