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Revision 148 Revision 991
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<?php
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<?php
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declare(strict_types=1);
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namespace Psr\Http\Message;
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namespace Psr\Http\Message;
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/**
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/**
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     *     PHP $whence values for `fseek()`.  SEEK_SET: Set position equal to
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     *     PHP $whence values for `fseek()`.  SEEK_SET: Set position equal to
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     *     offset bytes SEEK_CUR: Set position to current location plus offset
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     *     offset bytes SEEK_CUR: Set position to current location plus offset
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     *     SEEK_END: Set position to end-of-stream plus offset.
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     *     SEEK_END: Set position to end-of-stream plus offset.
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     * @throws \RuntimeException on failure.
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     * @throws \RuntimeException on failure.
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     */
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     */
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    public function seek($offset, $whence = SEEK_SET);
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    public function seek(int $offset, int $whence = SEEK_SET);
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    /**
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    /**
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     * Seek to the beginning of the stream.
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     * Seek to the beginning of the stream.
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     *
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     *
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     *
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     *
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     * @param string $string The string that is to be written.
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     * @param string $string The string that is to be written.
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     * @return int Returns the number of bytes written to the stream.
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     * @return int Returns the number of bytes written to the stream.
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     * @throws \RuntimeException on failure.
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     * @throws \RuntimeException on failure.
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     */
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     */
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    public function write($string);
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    public function write(string $string);
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    /**
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    /**
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     * Returns whether or not the stream is readable.
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     * Returns whether or not the stream is readable.
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     *
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     *
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     *     call returns fewer bytes.
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     *     call returns fewer bytes.
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     * @return string Returns the data read from the stream, or an empty string
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     * @return string Returns the data read from the stream, or an empty string
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     *     if no bytes are available.
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     *     if no bytes are available.
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     * @throws \RuntimeException if an error occurs.
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     * @throws \RuntimeException if an error occurs.
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     */
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     */
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    public function read($length);
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    public function read(int $length);
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    /**
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    /**
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     * Returns the remaining contents in a string
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     * Returns the remaining contents in a string
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     *
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     *
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     *
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     *
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     * The keys returned are identical to the keys returned from PHP's
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     * The keys returned are identical to the keys returned from PHP's
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     * stream_get_meta_data() function.
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     * stream_get_meta_data() function.
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     *
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     *
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     * @link http://php.net/manual/en/function.stream-get-meta-data.php
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     * @link http://php.net/manual/en/function.stream-get-meta-data.php
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     * @param string $key Specific metadata to retrieve.
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     * @param string|null $key Specific metadata to retrieve.
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     * @return array|mixed|null Returns an associative array if no key is
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     * @return array|mixed|null Returns an associative array if no key is
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     *     provided. Returns a specific key value if a key is provided and the
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     *     provided. Returns a specific key value if a key is provided and the
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     *     value is found, or null if the key is not found.
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     *     value is found, or null if the key is not found.
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     */
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     */
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    public function getMetadata($key = null);
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    public function getMetadata(?string $key = null);
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}
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}