IsSlotAvailableAndFreeFunction (Flink : Runtime 2.0-preview1 API)

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
```
@FunctionalInterface
public interface IsSlotAvailableAndFreeFunction
```
Functional interface for checking whether a slot is available and free.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`boolean`	`isSlotAvailableAndFree(AllocationID allocationId)`	Returns `true` if a slot with the given `AllocationID` is available and free.

- Method Detail
  - isSlotAvailableAndFree
```
boolean isSlotAvailableAndFree(AllocationID allocationId)
```
    Returns true if a slot with the given AllocationID is available and free.
    
    Parameters:
    
    allocationId - allocationId specifies the slot to check
    
    Returns:
    
    true if a slot with the given allocationId is available and free; otherwise false