content: package com.alibaba.csb.sdk;
  
  public class CsbSDKConstants {
  
      public static final String API_NAME_KEY = "_api_name";
      public static final String VERSION_KEY = "_api_version";
      public static final String ACCESS_KEY = "_api_access_key";
      public static final String SECRET_KEY = "_api_secret_key";
  
      public static final String TRACEID_KEY = "_inner_ecsb_trace_id";
      public static final String RPCID_KEY = "_inner_ecsb_rpc_id";
      public static final String REQUESTID_KEY = "_inner_ecsb_request_id";
      public static final String BIZID_KEY = "_biz_id";
  
      public static final String SIGNATURE_ALGORITHM_KEY = "_api_sign_algorithm";
      public static final String SIGNATURE_KEY = "_api_signature";
      public static final String TIMESTAMP_KEY = "_api_timestamp";
      public static final String SIGN_IMPL_KEY = "_api_sign_impl";
      public static final String VERIFY_SIGN_IMPL_KEY = "_api_verify_sign_impl";
  
      public static final String NONCE_KEY = "_api_nonce";
  
      public static final String HEADER_NS = "uri:csb.ws";
      public static final String HEADER_FINGERPRINT = "_api_fingerprint";
      public static final String HEADER_MOCK = "mock_response";
  
      public static final boolean isNonceEnabled = Boolean.parseBoolean(System.getProperty("csb.sdk.nonceEnable", "true"));
  }
  