Request (Spring Cloud Sleuth API 3.1.11 API)

All Known Subinterfaces:

HttpClientRequest, HttpRequest, HttpServerRequest
```
public interface Request
```
This API is taken from OpenZipkin Brave. Abstract request type used for parsing and sampling.

Since:

3.0.0

Author:

OpenZipkin Brave Authors, Marcin Grzejszczak

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  Collection<String> headerNames()
  
  Span.Kind spanKind()
  
  Object unwrap()

- Method Detail
  - headerNames
```
Collection<String> headerNames()
```
    Returns:
    
    list of header names.
  - spanKind
```
Span.Kind spanKind()
```
    Returns:
    
    The remote Span.Kind describing the direction and type of the request.
  - unwrap
```
Object unwrap()
```
    Returns:
    
    the underlying request object or null if there is none.