import { ASObject, ASXML, AXFunction } from '@awayfl/avm2';
export declare class ExternalInterface extends ASObject {
    static classInitializer: any;
    constructor();
    static $BgmarshallExceptions: boolean;
    private static initialized;
    private static registeredCallbacks;
    static ensureInitialized(): void;
    static call(functionName: string): any;
    static addCallback(functionName: string, closure: AXFunction): void;
    static get available(): boolean;
    static get objectID(): string;
    static _addCallback(functionName: string, closure: Function): void;
    static _removeCallback(functionName: string): void;
    static _evalJS(expression: string): string;
    private static _callIn;
    static _callOut(request: string): string;
    static convertToXML(s: String): ASXML;
    static convertToXMLString(obj: any): String;
    static convertFromXML(xml: any): any;
    static convertToJSString(obj: any): string;
}
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