Trait Salient\Collection\ImmutableCollectionTrait

`<TKey is array-key, TValue>`

Implements CollectionInterface for immutable collections

Mutable collections should use {@see CollectionTrait} instead.

Salient\Collection\ImmutableCollectionTrait
- Salient\Collection\ImmutableCollection implements CollectionInterface<TKey, TValue>, Immutable uses ImmutableCollectionTrait

Located at Toolkit/Collection/ImmutableCollectionTrait.php

Methods
`protected`	`maybeClone(): static`	#