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/* 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"
/**
* A consumer of a filter cascade, i.e. a cascaded bloom filter as generated by
* https://github.com/mozilla/filter-cascade
*/
[scriptable, uuid(c8d0b0b3-17f8-458b-9264-7b67b288fe79)]
interface nsICascadeFilter : nsISupports {
/**
* Initialize with the data that represents the filter cascade.
* This method can be called repeatedly.
*
* @throws NS_ERROR_INVALID_ARG if the input is malformed.
*/
void setFilterData(in Array<octet> data);
/**
* Check whether a given key is a member of the filter cascade.
* The result can only be relied upon if the key was known at the time of the
* filter generation. If the key is unknown, the method may incorrectly
* return true (due to the probabilistic nature of bloom filters).
*/
boolean has(in ACString key);
};
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