Interface Salient\Contract\Core\HierarchyInterface

Salient\Contract\Core\HierarchyInterface
- Salient\Contract\Core\Treeable extends HierarchyInterface, Relatable

Located at Toolkit/Contract/Core/HierarchyInterface.php

Methods
`public`	`getParent(): static\|null` Get the parent of the object Get the parent of the object	#
`public`	`getChildren(): static[]` Get the children of the object Get the children of the object	#
`public`	`setParent(static\|null $parent): $this` Set or unset the parent of the object Set or unset the parent of the object `$child->setParent($parent)` is equivalent to `$parent->addChild($child)` `$child->setParent(null)` has the same effect as `$parent->removeChild($child)`	#
`public`	`addChild(static $child): $this` Add a child to the object Add a child to the object Equivalent to `$child->setParent($parent)`.	#
`public`	`removeChild(static $child): $this` Remove a child from the object Remove a child from the object Equivalent to `$child->setParent(null)`.	#
`public`	`getDepth(): int` Get the object's distance from the top of the hierarchy it belongs to Get the object's distance from the top of the hierarchy it belongs to Returns `0` if the object has no parent, `1` if its parent has no parent, and so on.	#
`public`	`getDescendantCount(): int` Get the number of objects descended from the object Get the number of objects descended from the object	#