Trait Salient\Collection\CollectionTrait

`<TKey is array-key, TValue, TKeyless>`

Salient\Collection\CollectionTrait
- Salient\Collection\Collection implements CollectionInterface<TKey, TValue, mixed[]>, IteratorAggregate<TKey, TValue> uses CollectionTrait, RecursiveArrayableCollectionTrait

Located at Toolkit/Collection/CollectionTrait.php

Methods
`public`	`add($value)`	#
`public`	`push(...$items)`	#
`public`	`unshift(...$items)`	#