<?php

namespace MongoDB\BSON
{
    use IteratorAggregate;
    use Serializable;

    /**
     * @template TValue
     * @template-implements IteratorAggregate<string, TValue>
     */
    final class Document implements IteratorAggregate, Serializable
    {
        private function __construct()
        {
        }

        final static public function fromBSON(string $bson): Document
        {
        }

        final static public function fromJSON(string $json): Document
        {
        }

        /** @param array|object $value */
        final static public function fromPHP($value): Document
        {
        }

        /** @return TValue */
        final public function get(string $key)
        {
        }

        /** @return Iterator<string, TValue> */
        final public function getIterator(): Iterator
        {
        }

        final public function has(string $key): bool
        {
        }

        /** @return array|object */
        final public function toPHP(?array $typeMap = null)
        {
        }

        final public function toCanonicalExtendedJSON(): string
        {
        }

        final public function toRelaxedExtendedJSON(): string
        {
        }

        final public function __toString(): string
        {
        }

        final public static function __set_state(array $properties): Document
        {
        }

        final public function serialize(): string
        {
        }

        /** @param string $serialized */
        final public function unserialize($serialized): void
        {
        }

        final public function __unserialize(array $data): void
        {
        }

        final public function __serialize(): array
        {
        }
    }

    /**
     * @psalm-template TKey of int|string
     * @psalm-template TValue
     * $psalm-implements \Iterator<TKey, TValue>
     */
    final class Iterator implements \Iterator
    {
        final private function __construct()
        {
        }

        /** @return TValue */
        final public function current()
        {
        }

        /** @return TKey */
        final public function key()
        {
        }

        final public function next(): void
        {
        }

        final public function rewind(): void
        {
        }

        final public function valid(): bool
        {
        }

        final public function __wakeup(): void
        {
        }
    }

    /**
     * @template TValue
     * @template-implements IteratorAggregate<int, TValue>
     */
    final class PackedArray implements IteratorAggregate, Serializable
    {
        private function __construct()
        {
        }

        final static public function fromPHP(array $value): PackedArray
        {
        }

        /** @return TValue */
        final public function get(int $index)
        {
        }

        /** @return Iterator<int, TValue> */
        final public function getIterator(): Iterator
        {
        }

        final public function has(int $index): bool
        {
        }

        /** @return array|object */
        final public function toPHP(?array $typeMap = null)
        {
        }

        final public function __toString(): string
        {
        }

        final public static function __set_state(array $properties): PackedArray
        {
        }

        final public function serialize(): string
        {
        }

        /** @param string $serialized */
        final public function unserialize($serialized): void
        {
        }

        final public function __unserialize(array $data): void
        {
        }

        final public function __serialize(): array
        {
        }
    }
}

namespace MongoDB\Driver
{
    use Iterator;
    use Traversable;

    /**
     * @template-covariant TKey
     * @template-covariant TValue
     *
     * @template-extends Traversable<TKey, TValue>
     */
    interface CursorInterface extends Traversable
    {
        /**
         * @return array<TValue>
         */
        public function toArray();
    }

    /**
     * @template-covariant TValue of array|object
     *
     * @template-implements Iterator<int, TValue>
     * @template-implements CursorInterface<int, TValue>
     */
    final class Cursor implements CursorInterface, Iterator
    {
        /**
         * @return TValue
         */
        public function current()
        {
        }

        /**
         * @return void
         */
        public function next()
        {
        }

        /**
         * @return int
         */
        public function key()
        {
        }

        /**
         * @return bool
         */
        public function valid()
        {
        }

        /**
         * @return void
         */
        public function rewind()
        {
        }

        /**
         * @return array<TValue>
         */
        public function toArray()
        {
        }
    }
}