MetricConfigDescriptor (metric interface 0.14.0-preview1 API)

```
public class MetricConfigDescriptor
extends Object
```
The utils class to load configure. Read from yaml file.

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`static MetricConfigDescriptor`	`getInstance()`
`MetricConfig`	`getMetricConfig()`
`ReloadLevel`	`loadHotProperties()`
`void`	`loadProps()` Load a property file and set MetricConfig variables.

public static MetricConfigDescriptor getInstance()

loadProps
```
public void loadProps()
```
Load a property file and set MetricConfig variables. If not found file, use default value.

public ReloadLevel loadHotProperties()

Class MetricConfigDescriptor