HttpHeaderAction constructor
      
      HttpHeaderAction({ 
    
    
- List<HttpHeaderOption> ? requestHeadersToAdd,
- List<String> ? requestHeadersToRemove,
- List<HttpHeaderOption> ? responseHeadersToAdd,
- List<String> ? responseHeadersToRemove,
Implementation
HttpHeaderAction({
  this.requestHeadersToAdd,
  this.requestHeadersToRemove,
  this.responseHeadersToAdd,
  this.responseHeadersToRemove,
});