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CollectionChangeRecord

interface deprecated

Deprecated: v4.0.0 - Use IterableChangeRecord instead.

interface CollectionChangeRecord<V> extends IterableChangeRecord {

  // inherited from core/IterableChangeRecord
  currentIndex: number | null
  previousIndex: number | null
  item: V
  trackById: any
}

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https://v7.angular.io/api/core/CollectionChangeRecord