KeyValueChangeRecord
Record representing the item change information.
API
interface KeyValueChangeRecord<K, V> {
readonly key: K;
readonly currentValue: V | null;
readonly previousValue: V | null;
}
key
KCurrent key in the Map.
currentValue
V | nullCurrent value for the key or null if removed.
previousValue
V | nullPrevious value for the key or null if added.
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https://angular.dev/api/core/KeyValueChangeRecord
