export declare class ExternalInterfaceService {
    static enabled: boolean;
    private static _interfaceID;
    static callback: (functionName: string, args: any[]) => any;
    static get interfaceID(): string;
    static set interfaceID(value: string);
    static ensureInit(): void;
    static initJS(callback: (functionName: string, args: any[]) => any): void;
    static registerCallback(functionName: string): void;
    static unregisterCallback(functionName: string): void;
    static eval(expression: string): any;
    static call(request: string): any;
    static getId(): string;
}
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