text: ////////////////////////////////////////////////////////////////////////////////
  // Copyright 2020 NAVER Corp
  // 
  // 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.
  ////////////////////////////////////////////////////////////////////////////////
  
  const static char* PP_PHP_ARGS ="-1";
  const static int PP_PHP_RETURN = 14;
  const static int PP_PROXY_HTTP_HEADER= 300;
  const static int PP_SQL_ID=20;
  const static int PP_SQL=  21;
  const static int PP_SQL_METADATA=  22;
  const static int PP_SQL_PARAM=  23;
  const static int PP_SQL_BINDVALUE=  24;
  const static int PP_STRING_ID= 30;
  const static char* PP_HTTP_URL= "40";
  const static int PP_HTTP_PARAM=  41;
  const static int PP_HTTP_PARAM_ENTITY=  42;
  const static int PP_HTTP_COOKIE=  45;
  const static char* PP_HTTP_STATUS_CODE=  "46";
  const static int PP_HTTP_INTERNAL_DISPLAY=  48;
  const static int PP_HTTP_IO=  49;
  const static int PP_MESSAGE_QUEUE_URI =100;
  const static int PP_KAFKA_TOPIC=140;
  
  const static char* PP_SQL_FORMAT="SQL";
  const static char* PP_C_CPP="1300";
  const static char* PP_C_CPP_METHOD="1301";
  const static char* PP_MYSQL="2101";
  const static char* PP_KAFKA="8660";
  const static char* PP_REDIS="8200";
  const static char* PP_REDIS_REDISSON="8203";
  const static char* PP_REDIS_REDISSON_INTERNAL="8204";
  const static char* PP_MEMCACHED="8050";
  const static char* PP_C_CPP_REMOTE_METHOD="9800";
  
  const static char* PP_HEADER_NGINX_PROXY="Pinpoint-ProxyNginx";
  const static char* PP_HEADER_APACHE_PROXY="HTTP_PINPOINT_PROXYAPACHE";
  const static char* PP_HEADER_SAMPLED="HTTP_PINPOINT_SAMPLED";
  const static char* PP_HEADER_PINPOINT_HOST="HTTP_PINPOINT_HOST";
  const static char* PP_HEADER_PAPPTYPE="HTTP_PINPOINT_PAPPTYPE";
  const static char* PP_HEADER_PAPPNAME="HTTP_PINPOINT_PAPPNAME";
  const static char* PP_HEADER_TRACEID="HTTP_PINPOINT_TRACEID";
  const static char* PP_HEADER_SPANID="HTTP_PINPOINT_SPANID";
  const static char* PP_HEADER_PSPANID="HTTP_PINPOINT_PSPANID";
  
  const static char* PP_SERVER_TYPE="stp";
  const static char* PP_NEXT_SPAN_ID="nsid";
  const static char* PP_DESTINATION="dst";
  const static char* PP_INTERCEPTOR_NAME="name";
  const static char* PP_ADD_EXCEPTION="EXP";
  const static int PP_ROOT_LOC=1;
  const static char* PP_REQ_URI="uri";
  const static char* PP_REQ_CLIENT="client";
  const static char* PP_REQ_SERVER="server";
  const static char* PP_APP_NAME="appname";
  const static char* PP_APP_ID="appid";
  const static char* PP_PARENT_SPAN_ID="psid";
  const static char* PP_PARENT_NAME="pname";
  const static char* PP_PARENT_TYPE="ptype";
  const static char* PP_PARENT_HOST="Ah";
  const static char* PP_NGINX_PROXY="NP";
  const static char* PP_APACHE_PROXY="AP";
  const static char* PP_TRANSCATION_ID="tid";
  const static char* PP_SPAN_ID="sid";
  const static char* PP_NOT_SAMPLED="s0";
  const static char* PP_SAMPLED = "s1";
  