001/*
002 * Copyright 2022-2026 Revetware LLC.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package com.soklet;
018
019/**
020 * Policy for unregistered {@code Mcp-Param-*} headers on MCP requests.
021 * <p>
022 * Unknown mirrored headers are never exposed as trusted tool arguments. This
023 * policy applies only after a JSON-RPC request has been identified; MCP
024 * notification handling follows its separate transport policy.
025 *
026 * <p>
027 * This type may gain reviewed constants in Soklet 4.x; use a forward-compatible default when switching over its values.
028 *
029 * @author <a href="https://www.revetkn.com">Mark Allen</a>
030 */
031public enum McpUnknownMirroredHeaderPolicy {
032        /**
033         * Ignores unknown mirrored headers for dispatch while retaining only bounded,
034         * aggregate observability.
035         */
036        IGNORE,
037
038        /**
039         * Rejects a request carrying an unknown mirrored header with Soklet's fixed
040         * strict-header error response.
041         */
042        REJECT_REQUESTS
043}