interface.ilBuddySystemCollection.php

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<?php
 
declare(strict_types=1);
 
interface ilBuddySystemCollection extends Countable, IteratorAggregate, ArrayAccess
{
    public function add($element): void;
 
    public function remove($key): void;
 
    public function removeElement($element): void;
 
    public function containsKey($key): bool;
 
    public function getKey($element);
 
    public function clear(): void;
 
    public function contains($element): bool;
 
    public function get($key);
 
    public function set($key, $value): void;
 
    public function isEmpty(): bool;
 
    public function getKeys(): array;
 
    public function getValues(): array;
 
    public function filter(callable $callable): self;
 
    public function slice(int $offset, int $length = null): self;
 
    public function toArray(): array;
 
    public function equals($other): bool;
}