vendor/illuminate/contracts/Filesystem/Filesystem.php

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<?php

namespace Illuminate\Contracts\Filesystem;

interface Filesystem
{
    /**
     * The public visibility setting.
     *
     * @var string
     */
    const VISIBILITY_PUBLIC = 'public';

    /**
     * The private visibility setting.
     *
     * @var string
     */
    const VISIBILITY_PRIVATE = 'private';

    /**
     * Determine if a file exists.
     *
     * @param  string  $path
     * @return bool
     */
    public function exists($path);

    /**
     * Get the contents of a file.
     *
     * @param  string  $path
     * @return string
     *
     * @throws \Illuminate\Contracts\Filesystem\FileNotFoundException
     */
    public function get($path);

    /**
     * Get a resource to read the file.
     *
     * @param  string  $path
     * @return resource|null The path resource or null on failure.
     *
     * @throws FileNotFoundException
     */
    public function readStream($path);

    /**
     * Write the contents of a file.
     *
     * @param  string  $path
     * @param  string|resource  $contents
     * @param  mixed  $options
     * @return bool
     */
    public function put($path, $contents, $options = []);

    /**
     * Write a new file using a stream.