BoundLongUpDownCounter (OpenTelemetry API)

```
@ThreadSafe
public interface BoundLongUpDownCounter
```
An up-down-counter instrument with pre-bound attributes.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`add(long value)`	Records a value with pre-bound attributes.
`void`	`add(long value, io.opentelemetry.context.Context context)`	Records a value with a pre-bound attributes.
`void`	`unbind()`	Unbinds the current bound instance from the `LongUpDownCounter`.

- Method Detail
  - add
```
void add(long value)
```
    Records a value with pre-bound attributes.
    Note: This may use Context.current() to pull the context associated with this measurement.
    
    Parameters:
    
    value - The increment amount. May be positive, negative or zero.
  - add
```
void add(long value,
         io.opentelemetry.context.Context context)
```
    Records a value with a pre-bound attributes.
    
    Parameters:
    
    value - The increment amount. May be positive, negative or zero.
    
    context - The explicit context to associate with this measurement.
  - unbind
```
void unbind()
```
    Unbinds the current bound instance from the LongUpDownCounter.
    After this method returns the current instance is considered invalid (not being managed by the instrument).