content: /*
   * Copyright 2024 Alibaba Group Holding Limited.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package com.alibaba.langengine.cxxexecutor;
  
  /**
   * Specifies the execution backend for C++ code.
   */
  public enum Backend {
      /**
       * WebAssembly System Interface (WASI) backend.
       * <p>
       * This backend compiles C++ code to WebAssembly and runs it in a WASI-compatible runtime.
       * It provides a sandboxed environment with limited access to the host system.
       */
      WASI,
  
      /**
       * NsJail backend.
       * <p>
       * This backend uses the NsJail sandboxing tool to execute native C++ code.
       * It offers strong isolation by leveraging Linux namespaces and control groups.
       */
      NSJAIL
  }