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/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsISupports.idl"
/*
* Simple mapping service interface.
*/
[scriptable, uuid(78650582-4e93-4b60-8e85-26ebd3eb14ca)]
interface nsIProperties : nsISupports
{
/**
* Gets a property with a given name.
*
* @throws NS_ERROR_FAILURE if a property with that name doesn't exist.
* @throws NS_ERROR_NO_INTERFACE if the found property fails to QI to the
* given iid.
*/
void get(in string prop, in nsIIDRef iid,
[iid_is(iid),retval] out nsQIResult result);
/**
* Sets a property with a given name to a given value.
*/
void set(in string prop, in nsISupports value);
/**
* Returns true if the property with the given name exists.
*/
boolean has(in string prop);
/**
* Undefines a property.
* @throws NS_ERROR_FAILURE if a property with that name doesn't
* already exist.
*/
void undefine(in string prop);
/**
* Returns an array of the keys.
*/
void getKeys(out uint32_t count, [array, size_is(count), retval] out string keys);
};
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