LongCounterBuilder (OpenTelemetry API)

```
public interface LongCounterBuilder
```
Builder class for LongCounter.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`LongCounter`	`build()`	Builds and returns a `LongCounter` with the desired options.
`void`	`buildWithCallback(Consumer<ObservableLongMeasurement> callback)`	Builds this asynchronous instrument with the given callback.
`DoubleCounterBuilder`	`ofDoubles()`	Sets the counter for recording `double` values.
`LongCounterBuilder`	`setDescription(String description)`	Sets the description for this instrument.
`LongCounterBuilder`	`setUnit(String unit)`	Sets the unit of measure for this instrument.

- Method Detail
  - setDescription
```
LongCounterBuilder setDescription(String description)
```
    Sets the description for this instrument.
    Description strings should follow the instrument description rules: https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/metrics/api.md#instrument-description
  - setUnit
```
LongCounterBuilder setUnit(String unit)
```
    Sets the unit of measure for this instrument.
    Unit strings should follow the instrument unit rules: https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/metrics/api.md#instrument-unit
  - ofDoubles
```
DoubleCounterBuilder ofDoubles()
```
    Sets the counter for recording double values.
  - build
```
LongCounter build()
```
    Builds and returns a LongCounter with the desired options.
    
    Returns:
    
    a LongCounter with the desired options.
  - buildWithCallback
```
void buildWithCallback(Consumer<ObservableLongMeasurement> callback)
```
    Builds this asynchronous instrument with the given callback.
    The callback will only be called when the Meter is being observed.
    
    Parameters:
    
    callback - A state-capturing callback used to observe values on-demand.