Authenticator

```
public interface Authenticator
```
This class is internal and is hence not for public use. Its APIs are unstable and can change at any time.
Allow users of OTLP-OkHttp exporters to add support for authentication.

Method Summary

All Methods Static Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`java.util.Map<java.lang.String,java.lang.String>`	`getHeaders()`	Method called by the exporter to get headers to be used on a request that requires authentication.
`static void`	`setAuthenticatorOnDelegate(java.lang.Object builder, Authenticator authenticator)`	Reflectively access a `GrpcExporterBuilder`, or `HttpExporterBuilder` instance in field called "delegate" of the instance, and set the `Authenticator`.

- Method Detail
  - getHeaders
```
java.util.Map<java.lang.String,java.lang.String> getHeaders()
```
    Method called by the exporter to get headers to be used on a request that requires authentication.
    
    Returns:
    
    Headers to add to the request
  - setAuthenticatorOnDelegate
```
static void setAuthenticatorOnDelegate(java.lang.Object builder,
                                       Authenticator authenticator)
```
    Reflectively access a GrpcExporterBuilder, or HttpExporterBuilder instance in field called "delegate" of the instance, and set the Authenticator.
    
    Parameters:
    
    builder - export builder to modify
    
    authenticator - authenticator to set on builder
    
    Throws:
    
    java.lang.IllegalArgumentException - if the instance does not contain a field called "delegate" of a supported type.