TextMapSetter (OpenTelemetry Context (Incubator))

Type Parameters:

C - carrier of propagation fields, such as an http request
```
public interface TextMapSetter<C>
```
Class that allows a TextMapPropagator to set propagated fields into a carrier.
Setter is stateless and allows to be saved as a constant to avoid runtime allocations.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`set(C carrier, String key, String value)`	Replaces a propagated field with the given value.

- Method Detail
  - set
```
void set(@Nullable
         C carrier,
         String key,
         String value)
```
    Replaces a propagated field with the given value.
    For example, a setter for an HttpURLConnection would be the method reference URLConnection.addRequestProperty(String, String)
    
    Parameters:
    
    carrier - holds propagation fields. For example, an outgoing message or http request. To facilitate implementations as java lambdas, this parameter may be null.
    
    key - the key of the field.
    
    value - the value of the field.