LongUpDownCounter (OpenTelemetry API)

```
@ThreadSafe
public interface LongUpDownCounter
```
An up-down-counter instrument that records long values.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`add(long value)`	Records a value.
`void`	`add(long value, io.opentelemetry.api.common.Attributes attributes)`	Record a value with a set of attributes.
`void`	`add(long value, io.opentelemetry.api.common.Attributes attributes, io.opentelemetry.context.Context context)`	Records a value with a set of attributes.
`BoundLongUpDownCounter`	`bind(io.opentelemetry.api.common.Attributes attributes)`	Construct a bound version of this instrument where all recorded values use the given attributes.

- Method Detail
  - add
```
void add(long value)
```
    Records a value.
    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.api.common.Attributes attributes)
```
    Record a value with a set of 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.
    
    attributes - A set of attributes to associate with the count.
  - add
```
void add(long value,
         io.opentelemetry.api.common.Attributes attributes,
         io.opentelemetry.context.Context context)
```
    Records a value with a set of attributes.
    
    Parameters:
    
    value - The increment amount. May be positive, negative or zero.
    
    attributes - A set of attributes to associate with the count.
    
    context - The explicit context to associate with this measurement.
  - bind
```
BoundLongUpDownCounter bind(io.opentelemetry.api.common.Attributes attributes)
```
    Construct a bound version of this instrument where all recorded values use the given attributes.