public function get_item_permissions_check( $request ) {
		$error  = new WP_Error(
			'bp_rest_authorization_required',
			__( 'Sorry, you are not allowed to see this thread.', 'buddypress' ),
			array(
				'status' => rest_authorization_required_code(),
			)
		);
		$retval = $error;

		if ( is_user_logged_in() ) {
			$thread = $this->get_thread_object( $request['id'] );

			if ( empty( $thread->thread_id ) ) {
				$retval = new WP_Error(
					'bp_rest_invalid_id',
					__( 'Sorry, this thread does not exist.', 'buddypress' ),
					array(
						'status' => 404,
					)
				);
			} elseif ( bp_current_user_can( 'bp_moderate' ) || messages_check_thread_access( $thread->thread_id ) ) {
				$retval = true;
			} else {
				$retval = $error;
			}
		}

		/**
		 * Filter the messages `get_item` permissions check.
		 *
		 * @since 5.0.0
		 *
		 * @param true|WP_Error   $retval  Returned value.
		 * @param WP_REST_Request $request The request sent to the API.
		 */
		return apply_filters( 'bp_rest_messages_get_item_permissions_check', $retval, $request );
	}