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<?php
namespace Illuminate\Support;
use CachingIterator;
use Countable;
use Illuminate\Contracts\Support\Arrayable;
use Illuminate\Contracts\Support\Jsonable;
use IteratorAggregate;
use JsonSerializable;
use Traversable;
/**
* @template TKey of array-key
* @template TValue
*
* @extends \Illuminate\Contracts\Support\Arrayable<TKey, TValue>
* @extends \IteratorAggregate<TKey, TValue>
*/
interface Enumerable extends Arrayable, Countable, IteratorAggregate, Jsonable, JsonSerializable
{
/**
* Create a new collection instance if the value isn't one already.
*
* @template TMakeKey of array-key
* @template TMakeValue
*
* @param \Illuminate\Contracts\Support\Arrayable<TMakeKey, TMakeValue>|iterable<TMakeKey, TMakeValue>|null $items
* @return static<TMakeKey, TMakeValue>
*/
public static function make($items = []);
/**
* Create a new instance by invoking the callback a given amount of times.
*
* @param int $number
* @param callable|null $callback
* @return static
*/
public static function times($number, callable $callback = null);
/**
* Create a collection with the given range.
*
* @param int $from
* @param int $to
* @return static
*/
public static function range($from, $to);
/**
* Wrap the given value in a collection if applicable.
*
* @template TWrapKey of array-key
* @template TWrapValue
*
* @param iterable<TWrapKey, TWrapValue> $value
* @return static<TWrapKey, TWrapValue>
*/
public static function wrap($value);
/**
* Get the underlying items from the given collection if applicable.
*
* @template TUnwrapKey of array-key
* @template TUnwrapValue
*
* @param array<TUnwrapKey, TUnwrapValue>|static<TUnwrapKey, TUnwrapValue> $value
* @return array<TUnwrapKey, TUnwrapValue>
*/
public static function unwrap($value);
/**
* Create a new instance with no items.
*
* @return static
*/
public static function empty();
/**
* Get all items in the enumerable.
*
* @return array
*/
public function all();
/**
* Alias for the "avg" method.
*
* @param (callable(TValue): float|int)|string|null $callback
* @return float|int|null
*/
public function average($callback = null);
/**
* Get the median of a given key.
*
* @param string|array<array-key, string>|null $key
* @return float|int|null
*/
public function median($key = null);
/**
* Get the mode of a given key.
*
* @param string|array<array-key, string>|null $key
* @return array<int, float|int>|null
*/
public function mode($key = null);
/**
* Collapse the items into a single enumerable.
*
* @return static<int, mixed>
*/
public function collapse();
/**
* Alias for the "contains" method.
*
* @param (callable(TValue, TKey): bool)|TValue|string $key
* @param mixed $operator
* @param mixed $value
* @return bool
*/
public function some($key, $operator = null, $value = null);
/**
* Determine if an item exists, using strict comparison.
*
* @param (callable(TValue): bool)|TValue|array-key $key
* @param TValue|null $value
* @return bool
*/
public function containsStrict($key, $value = null);
/**
* Get the average value of a given key.
*
* @param (callable(TValue): float|int)|string|null $callback
* @return float|int|null
*/
public function avg($callback = null);
/**
* Determine if an item exists in the enumerable.
*
* @param (callable(TValue, TKey): bool)|TValue|string $key
* @param mixed $operator
* @param mixed $value
* @return bool
*/
public function contains($key, $operator = null, $value = null);
/**
* Determine if an item is not contained in the collection.
*
* @param mixed $key
* @param mixed $operator
* @param mixed $value
* @return bool
*/
public function doesntContain($key, $operator = null, $value = null);
/**
* Cross join with the given lists, returning all possible permutations.
*
* @template TCrossJoinKey
* @template TCrossJoinValue
*
* @param \Illuminate\Contracts\Support\Arrayable<TCrossJoinKey, TCrossJoinValue>|iterable<TCrossJoinKey, TCrossJoinValue> ...$lists
* @return static<int, array<int, TValue|TCrossJoinValue>>
*/
public function crossJoin(...$lists);
/**
* Dump the collection and end the script.
*
* @param mixed ...$args
* @return never
*/
public function dd(...$args);
/**
* Dump the collection.
*
* @return $this
*/
public function dump();
/**
* Get the items that are not present in the given items.
*
* @param \Illuminate\Contracts\Support\Arrayable<array-key, TValue>|iterable<array-key, TValue> $items
* @return static
*/
public function diff($items);
/**
* Get the items that are not present in the given items, using the callback.
*
* @param \Illuminate\Contracts\Support\Arrayable<array-key, TValue>|iterable<array-key, TValue> $items
* @param callable(TValue, TValue): int $callback
* @return static
*/
public function diffUsing($items, callable $callback);
/**
* Get the items whose keys and values are not present in the given items.
*
* @param \Illuminate\Contracts\Support\Arrayable<TKey, TValue>|iterable<TKey, TValue> $items
* @return static
*/
public function diffAssoc($items);
/**
* Get the items whose keys and values are not present in the given items, using the callback.
*
* @param \Illuminate\Contracts\Support\Arrayable<TKey, TValue>|iterable<TKey, TValue> $items
* @param callable(TKey, TKey): int $callback
* @return static
*/
public function diffAssocUsing($items, callable $callback);
/**
* Get the items whose keys are not present in the given items.
*
* @param \Illuminate\Contracts\Support\Arrayable<TKey, TValue>|iterable<TKey, TValue> $items
* @return static
*/
public function diffKeys($items);
/**
* Get the items whose keys are not present in the given items, using the callback.
*
* @param \Illuminate\Contracts\Support\Arrayable<TKey, TValue>|iterable<TKey, TValue> $items
* @param callable(TKey, TKey): int $callback
* @return static
*/
public function diffKeysUsing($items, callable $callback);
/**
* Retrieve duplicate items.
*
* @param (callable(TValue): bool)|string|null $callback
* @param bool $strict
* @return static
*/
public function duplicates($callback = null, $strict = false);
/**
* Retrieve duplicate items using strict comparison.
*
* @param (callable(TValue): bool)|string|null $callback
* @return static
*/
public function duplicatesStrict($callback = null);
/**
* Execute a callback over each item.
*
* @param callable(TValue, TKey): mixed $callback
* @return $this
*/
public function each(callable $callback);
/**
* Execute a callback over each nested chunk of items.
*
* @param callable $callback
* @return static
*/
public function eachSpread(callable $callback);
/**
* Determine if all items pass the given truth test.
*
* @param (callable(TValue, TKey): bool)|TValue|string $key
* @param mixed $operator
* @param mixed $value
* @return bool
*/
public function every($key, $operator = null, $value = null);
/**
* Get all items except for those with the specified keys.
*
* @param \Illuminate\Support\Enumerable<array-key, TKey>|array<array-key, TKey> $keys
* @return static
*/
public function except($keys);
/**
* Run a filter over each of the items.
*
* @param (callable(TValue): bool)|null $callback
* @return static
*/
public function filter(callable $callback = null);
/**
* Apply the callback if the given "value" is (or resolves to) truthy.
*
* @template TWhenReturnType as null
*
* @param bool $value
* @param (callable($this): TWhenReturnType)|null $callback
* @param (callable($this): TWhenReturnType)|null $default
* @return $this|TWhenReturnType
*/
public function when($value, callable $callback = null, callable $default = null);
/**
* Apply the callback if the collection is empty.
*
* @template TWhenEmptyReturnType
*
* @param (callable($this): TWhenEmptyReturnType) $callback
* @param (callable($this): TWhenEmptyReturnType)|null $default
* @return $this|TWhenEmptyReturnType
*/
public function whenEmpty(callable $callback, callable $default = null);
/**
* Apply the callback if the collection is not empty.
*
* @template TWhenNotEmptyReturnType
*
* @param callable($this): TWhenNotEmptyReturnType $callback
* @param (callable($this): TWhenNotEmptyReturnType)|null $default
* @return $this|TWhenNotEmptyReturnType
*/
public function whenNotEmpty(callable $callback, callable $default = null);
/**
* Apply the callback if the given "value" is (or resolves to) truthy.
*
* @template TUnlessReturnType
*
* @param bool $value
* @param (callable($this): TUnlessReturnType) $callback
* @param (callable($this): TUnlessReturnType)|null $default
* @return $this|TUnlessReturnType
*/
public function unless($value, callable $callback, callable $default = null);
/**
* Apply the callback unless the collection is empty.
*
* @template TUnlessEmptyReturnType
*
* @param callable($this): TUnlessEmptyReturnType $callback
* @param (callable($this): TUnlessEmptyReturnType)|null $default
* @return $this|TUnlessEmptyReturnType
*/
public function unlessEmpty(callable $callback, callable $default = null);
/**
* Apply the callback unless the collection is not empty.
*
* @template TUnlessNotEmptyReturnType
*
* @param callable($this): TUnlessNotEmptyReturnType $callback
* @param (callable($this): TUnlessNotEmptyReturnType)|null $default
* @return $this|TUnlessNotEmptyReturnType
*/
public function unlessNotEmpty(callable $callback, callable $default = null);
/**
* Filter items by the given key value pair.
*
* @param string $key
* @param mixed $operator
* @param mixed $value
* @return static
*/
public function where($key, $operator = null, $value = null);
/**
* Filter items where the value for the given key is null.
*
* @param string|null $key
* @return static
*/
public function whereNull($key = null);
/**
* Filter items where the value for the given key is not null.
*
* @param string|null $key
* @return static
*/
public function whereNotNull($key = null);
/**
* Filter items by the given key value pair using strict comparison.
*
* @param string $key
* @param mixed $value
* @return static
*/
public function whereStrict($key, $value);
/**
* Filter items by the given key value pair.
*
* @param string $key
* @param \Illuminate\Contracts\Support\Arrayable|iterable $values
* @param bool $strict
* @return static
*/
public function whereIn($key, $values, $strict = false);
/**
* Filter items by the given key value pair using strict comparison.
*
* @param string $key
* @param \Illuminate\Contracts\Support\Arrayable|iterable $values
* @return static
*/
public function whereInStrict($key, $values);
/**
* Filter items such that the value of the given key is between the given values.
*
* @param string $key
* @param \Illuminate\Contracts\Support\Arrayable|iterable $values
* @return static
*/
public function whereBetween($key, $values);
/**
* Filter items such that the value of the given key is not between the given values.
*
* @param string $key
* @param \Illuminate\Contracts\Support\Arrayable|iterable $values
* @return static
*/
public function whereNotBetween($key, $values);
/**
* Filter items by the given key value pair.
*
* @param string $key
* @param \Illuminate\Contracts\Support\Arrayable|iterable $values
* @param bool $strict
* @return static
*/
public function whereNotIn($key, $values, $strict = false);
/**
* Filter items by the given key value pair using strict comparison.
*
* @param string $key
* @param \Illuminate\Contracts\Support\Arrayable|iterable $values
* @return static
*/
public function whereNotInStrict($key, $values);
/**
* Filter the items, removing any items that don't match the given type(s).
*
* @template TWhereInstanceOf
*
* @param class-string<TWhereInstanceOf>|array<array-key, class-string<TWhereInstanceOf>> $type
* @return static<TKey, TWhereInstanceOf>
*/
public function whereInstanceOf($type);
/**
* Get the first item from the enumerable passing the given truth test.
*
* @template TFirstDefault
*
* @param (callable(TValue,TKey): bool)|null $callback
* @param TFirstDefault|(\Closure(): TFirstDefault) $default
* @return TValue|TFirstDefault
*/
public function first(callable $callback = null, $default = null);
/**
* Get the first item by the given key value pair.
*
* @param string $key
* @param mixed $operator
* @param mixed $value
* @return TValue|null
*/
public function firstWhere($key, $operator = null, $value = null);
/**
* Get a flattened array of the items in the collection.
*
* @param int $depth
* @return static
*/
public function flatten($depth = INF);
/**
* Flip the values with their keys.
*
* @return static<TValue, TKey>
*/
public function flip();
/**
* Get an item from the collection by key.
*
* @template TGetDefault
*
* @param TKey $key
* @param TGetDefault|(\Closure(): TGetDefault) $default
* @return TValue|TGetDefault
*/
public function get($key, $default = null);
/**
* Group an associative array by a field or using a callback.
*
* @param (callable(TValue, TKey): array-key)|array|string $groupBy
* @param bool $preserveKeys
* @return static<array-key, static<array-key, TValue>>
*/
public function groupBy($groupBy, $preserveKeys = false);
/**
* Key an associative array by a field or using a callback.
*
* @param (callable(TValue, TKey): array-key)|array|string $keyBy
* @return static<array-key, TValue>
*/
public function keyBy($keyBy);
/**
* Determine if an item exists in the collection by key.
*
* @param TKey|array<array-key, TKey> $key
* @return bool
*/
public function has($key);
/**
* Determine if any of the keys exist in the collection.
*
* @param mixed $key
* @return bool
*/
public function hasAny($key);
/**
* Concatenate values of a given key as a string.
*
* @param string $value
* @param string|null $glue
* @return string
*/
public function implode($value, $glue = null);
/**
* Intersect the collection with the given items.
*
* @param \Illuminate\Contracts\Support\Arrayable<TKey, TValue>|iterable<TKey, TValue> $items
* @return static
*/
public function intersect($items);
/**
* Intersect the collection with the given items by key.
*
* @param \Illuminate\Contracts\Support\Arrayable<TKey, TValue>|iterable<TKey, TValue> $items
* @return static
*/
public function intersectByKeys($items);
/**
* Determine if the collection is empty or not.
*
* @return bool
*/
public function isEmpty();
/**
* Determine if the collection is not empty.
*
* @return bool
*/
public function isNotEmpty();
/**
* Determine if the collection contains a single item.
*
* @return bool
*/
public function containsOneItem();
/**
* Join all items from the collection using a string. The final items can use a separate glue string.
*
* @param string $glue
* @param string $finalGlue
* @return string
*/
public function join($glue, $finalGlue = '');
/**
* Get the keys of the collection items.
*
* @return static<int, TKey>
*/
public function keys();
/**
* Get the last item from the collection.
*
* @template TLastDefault
*
* @param (callable(TValue, TKey): bool)|null $callback
* @param TLastDefault|(\Closure(): TLastDefault) $default
* @return TValue|TLastDefault
*/
public function last(callable $callback = null, $default = null);
/**
* Run a map over each of the items.
*
* @template TMapValue
*
* @param callable(TValue, TKey): TMapValue $callback
* @return static<TKey, TMapValue>
*/
public function map(callable $callback);
/**
* Run a map over each nested chunk of items.
*
* @param callable $callback
* @return static
*/
public function mapSpread(callable $callback);
/**
* Run a dictionary map over the items.
*
* The callback should return an associative array with a single key/value pair.
*
* @template TMapToDictionaryKey of array-key
* @template TMapToDictionaryValue
*
* @param callable(TValue, TKey): array<TMapToDictionaryKey, TMapToDictionaryValue> $callback
* @return static<TMapToDictionaryKey, array<int, TMapToDictionaryValue>>
*/
public function mapToDictionary(callable $callback);
/**
* Run a grouping map over the items.
*
* The callback should return an associative array with a single key/value pair.
*
* @template TMapToGroupsKey of array-key
* @template TMapToGroupsValue
*
* @param callable(TValue, TKey): array<TMapToGroupsKey, TMapToGroupsValue> $callback
* @return static<TMapToGroupsKey, static<int, TMapToGroupsValue>>
*/
public function mapToGroups(callable $callback);
/**
* Run an associative map over each of the items.
*
* The callback should return an associative array with a single key/value pair.
*
* @template TMapWithKeysKey of array-key
* @template TMapWithKeysValue
*
* @param callable(TValue, TKey): array<TMapWithKeysKey, TMapWithKeysValue> $callback
* @return static<TMapWithKeysKey, TMapWithKeysValue>
*/
public function mapWithKeys(callable $callback);
/**
* Map a collection and flatten the result by a single level.
*
* @template TFlatMapKey of array-key
* @template TFlatMapValue
*
* @param callable(TValue, TKey): (\Illuminate\Support\Collection<TFlatMapKey, TFlatMapValue>|array<TFlatMapKey, TFlatMapValue>) $callback
* @return static<TFlatMapKey, TFlatMapValue>
*/
public function flatMap(callable $callback);
/**
* Map the values into a new class.
*
* @template TMapIntoValue
*
* @param class-string<TMapIntoValue> $class
* @return static<TKey, TMapIntoValue>
*/
public function mapInto($class);
/**
* Merge the collection with the given items.
*
* @param \Illuminate\Contracts\Support\Arrayable<TKey, TValue>|iterable<TKey, TValue> $items
* @return static
*/
public function merge($items);
/**
* Recursively merge the collection with the given items.
*
* @template TMergeRecursiveValue
*
* @param \Illuminate\Contracts\Support\Arrayable<TKey, TMergeRecursiveValue>|iterable<TKey, TMergeRecursiveValue> $items
* @return static<TKey, TValue|TMergeRecursiveValue>
*/
public function mergeRecursive($items);
/**
* Create a collection by using this collection for keys and another for its values.
*
* @template TCombineValue
*
* @param \Illuminate\Contracts\Support\Arrayable<array-key, TCombineValue>|iterable<array-key, TCombineValue> $values
* @return static<TValue, TCombineValue>
*/
public function combine($values);
/**
* Union the collection with the given items.
*
* @param \Illuminate\Contracts\Support\Arrayable<TKey, TValue>|iterable<TKey, TValue> $items
* @return static
*/
public function union($items);
/**
* Get the min value of a given key.
*
* @param (callable(TValue):mixed)|string|null $callback
* @return mixed
*/
public function min($callback = null);
/**
* Get the max value of a given key.
*
* @param (callable(TValue):mixed)|string|null $callback
* @return mixed
*/
public function max($callback = null);
/**
* Create a new collection consisting of every n-th element.
*
* @param int $step
* @param int $offset
* @return static
*/
public function nth($step, $offset = 0);
/**
* Get the items with the specified keys.
*
* @param \Illuminate\Support\Enumerable<array-key, TKey>|array<array-key, TKey>|string $keys
* @return static
*/
public function only($keys);
/**
* "Paginate" the collection by slicing it into a smaller collection.
*
* @param int $page
* @param int $perPage
* @return static
*/
public function forPage($page, $perPage);
/**
* Partition the collection into two arrays using the given callback or key.
*
* @param (callable(TValue, TKey): bool)|TValue|string $key
* @param mixed $operator
* @param mixed $value
* @return static<int<0, 1>, static<TKey, TValue>>
*/
public function partition($key, $operator = null, $value = null);
/**
* Push all of the given items onto the collection.
*
* @param iterable<array-key, TValue> $source
* @return static
*/
public function concat($source);
/**
* Get one or a specified number of items randomly from the collection.
*
* @param int|null $number
* @return static<int, TValue>|TValue
*
* @throws \InvalidArgumentException
*/
public function random($number = null);
/**
* Reduce the collection to a single value.
*
* @template TReduceInitial
* @template TReduceReturnType
*
* @param callable(TReduceInitial|TReduceReturnType, TValue, TKey): TReduceReturnType $callback
* @param TReduceInitial $initial
* @return TReduceReturnType
*/
public function reduce(callable $callback, $initial = null);
/**
* Reduce the collection to multiple aggregate values.
*
* @param callable $callback
* @param mixed ...$initial
* @return array
*
* @throws \UnexpectedValueException
*/
public function reduceSpread(callable $callback, ...$initial);
/**
* Replace the collection items with the given items.
*
* @param \Illuminate\Contracts\Support\Arrayable<TKey, TValue>|iterable<TKey, TValue> $items
* @return static
*/
public function replace($items);
/**
* Recursively replace the collection items with the given items.
*
* @param \Illuminate\Contracts\Support\Arrayable<TKey, TValue>|iterable<TKey, TValue> $items
* @return static
*/
public function replaceRecursive($items);
/**
* Reverse items order.
*
* @return static
*/
public function reverse();
/**
* Search the collection for a given value and return the corresponding key if successful.
*
* @param TValue|callable(TValue,TKey): bool $value
* @param bool $strict
* @return TKey|bool
*/
public function search($value, $strict = false);
/**
* Shuffle the items in the collection.
*
* @param int|null $seed
* @return static
*/
public function shuffle($seed = null);
/**
* Create chunks representing a "sliding window" view of the items in the collection.
*
* @param int $size
* @param int $step
* @return static<int, static>
*/
public function sliding($size = 2, $step = 1);
/**
* Skip the first {$count} items.
*
* @param int $count
* @return static
*/
public function skip($count);
/**
* Skip items in the collection until the given condition is met.
*
* @param TValue|callable(TValue,TKey): bool $value
* @return static
*/
public function skipUntil($value);
/**
* Skip items in the collection while the given condition is met.
*
* @param TValue|callable(TValue,TKey): bool $value
* @return static
*/
public function skipWhile($value);
/**
* Get a slice of items from the enumerable.
*
* @param int $offset
* @param int|null $length
* @return static
*/
public function slice($offset, $length = null);
/**
* Split a collection into a certain number of groups.
*
* @param int $numberOfGroups
* @return static<int, static>
*/
public function split($numberOfGroups);
/**
* Get the first item in the collection, but only if exactly one item exists. Otherwise, throw an exception.
*
* @param (callable(TValue, TKey): bool)|string $key
* @param mixed $operator
* @param mixed $value
* @return TValue
*
* @throws \Illuminate\Support\ItemNotFoundException
* @throws \Illuminate\Support\MultipleItemsFoundException
*/
public function sole($key = null, $operator = null, $value = null);
/**
* Get the first item in the collection but throw an exception if no matching items exist.
*
* @param (callable(TValue, TKey): bool)|string $key
* @param mixed $operator
* @param mixed $value
* @return TValue
*
* @throws \Illuminate\Support\ItemNotFoundException
*/
public function firstOrFail($key = null, $operator = null, $value = null);
/**
* Chunk the collection into chunks of the given size.
*
* @param int $size
* @return static<int, static>
*/
public function chunk($size);
/**
* Chunk the collection into chunks with a callback.
*
* @param callable(TValue, TKey, static<int, TValue>): bool $callback
* @return static<int, static<int, TValue>>
*/
public function chunkWhile(callable $callback);
/**
* Split a collection into a certain number of groups, and fill the first groups completely.
*
* @param int $numberOfGroups
* @return static<int, static>
*/
public function splitIn($numberOfGroups);
/**
* Sort through each item with a callback.
*
* @param (callable(TValue, TValue): int)|null|int $callback
* @return static
*/
public function sort($callback = null);
/**
* Sort items in descending order.
*
* @param int $options
* @return static
*/
public function sortDesc($options = SORT_REGULAR);
/**
* Sort the collection using the given callback.
*
* @param array<array-key, (callable(TValue, TValue): mixed)|(callable(TValue, TKey): mixed)|string|array{string, string}>|(callable(TValue, TKey): mixed)|string $callback
* @param int $options
* @param bool $descending
* @return static
*/
public function sortBy($callback, $options = SORT_REGULAR, $descending = false);
/**
* Sort the collection in descending order using the given callback.
*
* @param array<array-key, (callable(TValue, TValue): mixed)|(callable(TValue, TKey): mixed)|string|array{string, string}>|(callable(TValue, TKey): mixed)|string $callback
* @param int $options
* @return static
*/
public function sortByDesc($callback, $options = SORT_REGULAR);
/**
* Sort the collection keys.
*
* @param int $options
* @param bool $descending
* @return static
*/
public function sortKeys($options = SORT_REGULAR, $descending = false);
/**
* Sort the collection keys in descending order.
*
* @param int $options
* @return static
*/
public function sortKeysDesc($options = SORT_REGULAR);
/**
* Sort the collection keys using a callback.
*
* @param callable(TKey, TKey): int $callback
* @return static
*/
public function sortKeysUsing(callable $callback);
/**
* Get the sum of the given values.
*
* @param (callable(TValue): mixed)|string|null $callback
* @return mixed
*/
public function sum($callback = null);
/**
* Take the first or last {$limit} items.
*
* @param int $limit
* @return static
*/
public function take($limit);
/**
* Take items in the collection until the given condition is met.
*
* @param TValue|callable(TValue,TKey): bool $value
* @return static
*/
public function takeUntil($value);
/**
* Take items in the collection while the given condition is met.
*
* @param TValue|callable(TValue,TKey): bool $value
* @return static
*/
public function takeWhile($value);
/**
* Pass the collection to the given callback and then return it.
*
* @param callable(TValue): mixed $callback
* @return $this
*/
public function tap(callable $callback);
/**
* Pass the enumerable to the given callback and return the result.
*
* @template TPipeReturnType
*
* @param callable($this): TPipeReturnType $callback
* @return TPipeReturnType
*/
public function pipe(callable $callback);
/**
* Pass the collection into a new class.
*
* @param class-string $class
* @return mixed
*/
public function pipeInto($class);
/**
* Pass the collection through a series of callable pipes and return the result.
*
* @param array<callable> $pipes
* @return mixed
*/
public function pipeThrough($pipes);
/**
* Get the values of a given key.
*
* @param string|array<array-key, string> $value
* @param string|null $key
* @return static<int, mixed>
*/
public function pluck($value, $key = null);
/**
* Create a collection of all elements that do not pass a given truth test.
*
* @param (callable(TValue, TKey): bool)|bool|TValue $callback
* @return static
*/
public function reject($callback = true);
/**
* Convert a flatten "dot" notation array into an expanded array.
*
* @return static
*/
public function undot();
/**
* Return only unique items from the collection array.
*
* @param (callable(TValue, TKey): mixed)|string|null $key
* @param bool $strict
* @return static
*/
public function unique($key = null, $strict = false);
/**
* Return only unique items from the collection array using strict comparison.
*
* @param (callable(TValue, TKey): mixed)|string|null $key
* @return static
*/
public function uniqueStrict($key = null);
/**
* Reset the keys on the underlying array.
*
* @return static<int, TValue>
*/
public function values();
/**
* Pad collection to the specified length with a value.
*
* @template TPadValue
*
* @param int $size
* @param TPadValue $value
* @return static<int, TValue|TPadValue>
*/
public function pad($size, $value);
/**
* Get the values iterator.
*
* @return \Traversable<TKey, TValue>
*/
public function getIterator(): Traversable;
/**
* Count the number of items in the collection.
*
* @return int
*/
public function count(): int;
/**
* Count the number of items in the collection by a field or using a callback.
*
* @param (callable(TValue, TKey): mixed)|string|null $countBy
* @return static<array-key, int>
*/
public function countBy($countBy = null);
/**
* Zip the collection together with one or more arrays.
*
* e.g. new Collection([1, 2, 3])->zip([4, 5, 6]);
* => [[1, 4], [2, 5], [3, 6]]
*
* @template TZipValue
*
* @param \Illuminate\Contracts\Support\Arrayable<array-key, TZipValue>|iterable<array-key, TZipValue> ...$items
* @return static<int, static<int, TValue|TZipValue>>
*/
public function zip($items);
/**
* Collect the values into a collection.
*
* @return \Illuminate\Support\Collection<TKey, TValue>
*/
public function collect();
/**
* Get the collection of items as a plain array.
*
* @return array<TKey, mixed>
*/
public function toArray();
/**
* Convert the object into something JSON serializable.
*
* @return mixed
*/
public function jsonSerialize(): mixed;
/**
* Get the collection of items as JSON.
*
* @param int $options
* @return string
*/
public function toJson($options = 0);
/**
* Get a CachingIterator instance.
*
* @param int $flags
* @return \CachingIterator
*/
public function getCachingIterator($flags = CachingIterator::CALL_TOSTRING);
/**
* Convert the collection to its string representation.
*
* @return string
*/
public function __toString();
/**
* Indicate that the model's string representation should be escaped when __toString is invoked.
*
* @param bool $escape
* @return $this
*/
public function escapeWhenCastingToString($escape = true);
/**
* Add a method to the list of proxied methods.
*
* @param string $method
* @return void
*/
public static function proxy($method);
/**
* Dynamically access collection proxies.
*
* @param string $key
* @return mixed
*
* @throws \Exception
*/
public function __get($key);
}
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