DoubleCounterBuilder (OpenTelemetry API)

```
public interface DoubleCounterBuilder
```
Builder class for DoubleCounter.

Method Summary

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

- Method Detail
  - setDescription
```
DoubleCounterBuilder setDescription(String description)
```
    Sets the description for this instrument.
    Description stirngs should follw the instrument description rules: https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/metrics/api.md#instrument-description
  - setUnit
```
DoubleCounterBuilder 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
  - ofLongs
```
LongCounterBuilder ofLongs()
```
    Sets the counter for recording long values.
  - build
```
DoubleCounter build()
```
    Builds and returns a DoubleCounter with the desired options.
    
    Returns:
    
    a DoubleCounter with the desired options.
  - buildWithCallback
```
void buildWithCallback(Consumer<ObservableDoubleMeasurement> callback)
```
    Builds this asynchronous insturment 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.