IdGenerator (OpenTelemetry SDK For Tracing)

```
@ThreadSafe
public interface IdGenerator
```
Interface used by the SdkTracer to generate new SpanIds and TraceIds.

Method Summary

All Methods Static Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`String`	`generateSpanId()`	Generates a new valid `SpanId`.
`String`	`generateTraceId()`	Generates a new valid `TraceId`.
`static IdGenerator`	`random()`	Returns a `IdGenerator` that generates purely random IDs, which is the default for OpenTelemetry.

- Method Detail
  - random
```
static IdGenerator random()
```
    Returns a IdGenerator that generates purely random IDs, which is the default for OpenTelemetry.
    The underlying implementation uses ThreadLocalRandom for randomness but may change in the future.
  - generateSpanId
```
String generateSpanId()
```
    Generates a new valid SpanId.
    
    Returns:
    
    a new valid SpanId.
  - generateTraceId
```
String generateTraceId()
```
    Generates a new valid TraceId.
    
    Returns:
    
    a new valid TraceId.