LoadBalancer.PickDetailsConsumer (grpc-all 1.68.1 API)

Enclosing class:

LoadBalancer
```
@Internal
public static interface LoadBalancer.PickDetailsConsumer
```
Receives information about the pick being chosen.

Method Summary

All Methods Instance Methods Default Methods
Modifier and Type	Method	Description
`default void`	`addOptionalLabel(String key, String value)`	Optional labels that provide context of how the pick was routed.

- Method Detail
  - addOptionalLabel
```
default void addOptionalLabel(String key,
                              String value)
```
    Optional labels that provide context of how the pick was routed. Particularly helpful for per-RPC metrics.
    
    Throws:
    
    NullPointerException - if key or value is null