ExtensionCalciteRuleProvider (druid-sql 24.0.1 API)

```
public interface ExtensionCalciteRuleProvider
```
This interface provides a way to supply custom calcite planning rules from extensions. All the custom rules are collected and supplied to the planner which invokes getRule(PlannerContext) for each of the rule provider per query.

All Methods Instance Methods Abstract Methods
Modifier and Type	Method and Description
`org.apache.calcite.plan.RelOptRule`	`getRule(PlannerContext plannerContext)`

org.apache.calcite.plan.RelOptRule getRule(PlannerContext plannerContext)

Interface ExtensionCalciteRuleProvider