export declare abstract class Runtime<RuntimeEvent extends {
    type: string;
}> {
    #private;
    constructor(listeners: Record<RuntimeEvent["type"], ((event: RuntimeEvent) => void)[]>);
    on(event: RuntimeEvent["type"], callback: (event: RuntimeEvent) => void): void;
    protected emit(event: RuntimeEvent): void;
    abstract run(code: string): void;
    abstract cancel(): void;
}
//# sourceMappingURL=runtime.d.ts.map