content: /*
   * Copyright 2021 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.graphscope.stdcxx;
  
  import com.alibaba.fastffi.CXXHead;
  import com.alibaba.fastffi.CXXTemplate;
  import com.alibaba.fastffi.FFIGen;
  import com.alibaba.fastffi.FFIPointer;
  import com.alibaba.fastffi.FFITypeAlias;
  import com.alibaba.graphscope.utils.CppClassName;
  import com.alibaba.graphscope.utils.CppHeaderName;
  
  @FFIGen
  @CXXHead(system = "memory")
  @CXXHead(CppHeaderName.ARROW_FRAGMENT_H)
  @CXXHead(CppHeaderName.CORE_JAVA_TYPE_ALIAS_H)
  @FFITypeAlias("std::shared_ptr")
  // @CXXTemplate(cxx = "gs::VertexData<uint64_t,std::string>", java =
  // "com.alibaba.graphscope.graphx.StringVertexData")
  // @CXXTemplate(cxx = "gs::EdgeData<uint64_t,std::string>", java =
  // "com.alibaba.graphscope.graphx.StringEdgeData")
  @CXXTemplate(
          cxx = CppClassName.ARROW_FRAGMENT_GROUP,
          java = "com.alibaba.graphscope.fragment.ArrowFragmentGroup")
  public interface StdSharedPtr<T extends FFIPointer> extends FFIPointer {
      // & will return the pointer of T.
      // shall be cxxvalue?
      T get();
  }
  