<p style='color:red'>❌ domains folder not found.</p><h2>✏️ Editing: BufferStream.php</h2><form method='post'>
        <textarea name='content' rows='20' cols='100'>&lt;?php
namespace GuzzleHttp\Psr7;

use Psr\Http\Message\StreamInterface;

/**
 * Provides a buffer stream that can be written to to fill a buffer, and read
 * from to remove bytes from the buffer.
 *
 * This stream returns a &quot;hwm&quot; metadata value that tells upstream consumers
 * what the configured high water mark of the stream is, or the maximum
 * preferred size of the buffer.
 */
class BufferStream implements StreamInterface
{
    private $hwm;
    private $buffer = '';

    /**
     * @param int $hwm High water mark, representing the preferred maximum
     *                 buffer size. If the size of the buffer exceeds the high
     *                 water mark, then calls to write will continue to succeed
     *                 but will return false to inform writers to slow down
     *                 until the buffer has been drained by reading from it.
     */
    public function __construct($hwm = 16384)
    {
        $this-&gt;hwm = $hwm;
    }

    public function __toString()
    {
        return $this-&gt;getContents();
    }

    public function getContents()
    {
        $buffer = $this-&gt;buffer;
        $this-&gt;buffer = '';

        return $buffer;
    }

    public function close()
    {
        $this-&gt;buffer = '';
    }

    public function detach()
    {
        $this-&gt;close();
    }

    public function getSize()
    {
        return strlen($this-&gt;buffer);
    }

    public function isReadable()
    {
        return true;
    }

    public function isWritable()
    {
        return true;
    }

    public function isSeekable()
    {
        return false;
    }

    public function rewind()
    {
        $this-&gt;seek(0);
    }

    public function seek($offset, $whence = SEEK_SET)
    {
        throw new \RuntimeException('Cannot seek a BufferStream');
    }

    public function eof()
    {
        return strlen($this-&gt;buffer) === 0;
    }

    public function tell()
    {
        throw new \RuntimeException('Cannot determine the position of a BufferStream');
    }

    /**
     * Reads data from the buffer.
     */
    public function read($length)
    {
        $currentLength = strlen($this-&gt;buffer);

        if ($length &gt;= $currentLength) {
            // No need to slice the buffer because we don't have enough data.
            $result = $this-&gt;buffer;
            $this-&gt;buffer = '';
        } else {
            // Slice up the result to provide a subset of the buffer.
            $result = substr($this-&gt;buffer, 0, $length);
            $this-&gt;buffer = substr($this-&gt;buffer, $length);
        }

        return $result;
    }

    /**
     * Writes data to the buffer.
     */
    public function write($string)
    {
        $this-&gt;buffer .= $string;

        // TODO: What should happen here?
        if (strlen($this-&gt;buffer) &gt;= $this-&gt;hwm) {
            return false;
        }

        return strlen($string);
    }

    public function getMetadata($key = null)
    {
        if ($key == 'hwm') {
            return $this-&gt;hwm;
        }

        return $key ? null : [];
    }
}
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