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837 B
Haxe

package webextension_polyfill.webrequest;
/**
Fired when a request is about to occur.
**/
typedef OnBeforeRequestEvent = {
/**
Registers an event listener <em>callback</em> to an event.
**/
function addListener(callback:(details:OnBeforeRequestDetailsType) -> ts.AnyOf3<ts.Undefined, BlockingResponse, js.lib.Promise<BlockingResponse>>, filter:RequestFilter, ?extraInfoSpec:Array<OnBeforeRequestOptions>):Void;
/**
Deregisters an event listener <em>callback</em> from an event.
**/
function removeListener(callback:(details:OnBeforeRequestDetailsType) -> ts.AnyOf3<ts.Undefined, BlockingResponse, js.lib.Promise<BlockingResponse>>):Void;
function hasListener(callback:(details:OnBeforeRequestDetailsType) -> ts.AnyOf3<ts.Undefined, BlockingResponse, js.lib.Promise<BlockingResponse>>):Bool;
function hasListeners():Bool;
};