CosXmlConfig config = new CosXmlConfig.Builder()
  .SetRegion("COS_REGION")  // Sets the default bucket region
  // Set the requested endpoint to “your.domain.com”
  .SetHost("your.domain.com") // Custom endpoint
  .Build();

CosXmlConfig config = new CosXmlConfig.Builder()
  .SetEndpointSuffix("cos.accelerate.myqcloud.com")
  .Build();

CosXmlConfig config = new CosXmlConfig.Builder()
  .SetHost("exampledomain.com")
  .Build();

CosXmlConfig config = new CosXmlConfig.Builder()
  .SetEndpointSuffix("file.myqcloud.com")
  .Build();