Function isValidElastiCacheFamily

isValidElastiCacheFamily(family: string): Promise<boolean>
Check if an ElastiCache node family exists in the dataset.
Parameters
- family: string
  The family name to check
Returns Promise<boolean>
Promise resolving to true if the family exists, false otherwise
Example
```
import { isValidElastiCacheFamily } from 'aws-instance-info/async'

console.log(await isValidElastiCacheFamily('M5')) // true
console.log(await isValidElastiCacheFamily('R6g')) // true
console.log(await isValidElastiCacheFamily('Invalid')) // false
```
- Defined in elasticache.async.ts:329