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/* -*- Mode: C++; tab-width: 50; 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"
[ptr] native nsNonConstIDPtr(nsID);
/**
* nsIUUIDGenerator is implemented by a service that can generate
* universally unique identifiers, ideally using any platform-native
* method for generating UUIDs.
*/
[scriptable, uuid(138ad1b2-c694-41cc-b201-333ce936d8b8)]
interface nsIUUIDGenerator : nsISupports
{
/**
* Obtains a new UUID using appropriate platform-specific methods to
* obtain a nsID that can be considered to be globally unique.
*
* @returns an nsID filled in with a new UUID.
*
* @throws NS_ERROR_FAILURE if a UUID cannot be generated (e.g. if
* an underlying source of randomness is not available)
*/
nsIDPtr generateUUID();
/**
* Obtain a new UUID like the generateUUID method, but place it in
* the provided nsID pointer instead of allocating a new nsID.
*
* @param id an existing nsID pointer where the UUID will be stored.
*
* @throws NS_ERROR_FAILURE if a UUID cannot be generated (e.g. if
* an underlying source of randomness is not available)
*/
[noscript] void generateUUIDInPlace(in nsNonConstIDPtr id);
};
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