/usr/share/php/Sabre/DAV/ICollection.php is in php-sabre-dav 1.8.12-1ubuntu2.
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The actual contents of the file can be viewed below.
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namespace Sabre\DAV;
/**
* The ICollection Interface
*
* This interface should be implemented by each class that represents a collection
*
* @copyright Copyright (C) 2007-2015 fruux GmbH (https://fruux.com/).
* @author Evert Pot (http://evertpot.com/)
* @license http://sabre.io/license/ Modified BSD License
*/
interface ICollection extends INode {
/**
* Creates a new file in the directory
*
* Data will either be supplied as a stream resource, or in certain cases
* as a string. Keep in mind that you may have to support either.
*
* After successful creation of the file, you may choose to return the ETag
* of the new file here.
*
* The returned ETag must be surrounded by double-quotes (The quotes should
* be part of the actual string).
*
* If you cannot accurately determine the ETag, you should not return it.
* If you don't store the file exactly as-is (you're transforming it
* somehow) you should also not return an ETag.
*
* This means that if a subsequent GET to this new file does not exactly
* return the same contents of what was submitted here, you are strongly
* recommended to omit the ETag.
*
* @param string $name Name of the file
* @param resource|string $data Initial payload
* @return null|string
*/
function createFile($name, $data = null);
/**
* Creates a new subdirectory
*
* @param string $name
* @return void
*/
function createDirectory($name);
/**
* Returns a specific child node, referenced by its name
*
* This method must throw Sabre\DAV\Exception\NotFound if the node does not
* exist.
*
* @param string $name
* @return DAV\INode
*/
function getChild($name);
/**
* Returns an array with all the child nodes
*
* @return DAV\INode[]
*/
function getChildren();
/**
* Checks if a child-node with the specified name exists
*
* @param string $name
* @return bool
*/
function childExists($name);
}
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