func (a adminAPIHandlers) ListLDAPPolicyMappingEntities(w http.ResponseWriter, r *http.Request) {
	ctx := r.Context()

	// Check authorization.

	objectAPI, cred := validateAdminReq(ctx, w, r,
		policy.ListGroupsAdminAction, policy.ListUsersAdminAction, policy.ListUserPoliciesAdminAction)
	if objectAPI == nil {
		return
	}

	// Validate API arguments.

	q := madmin.PolicyEntitiesQuery{
		Users:  r.Form["user"],