export class PropertiesManager {
    constructor(host: any);
    host: any;
    _definedProperties: Set<any>;
    _propertiesWrapper: {};
    _initialized: boolean;
    set properties(arg: {});
    get properties(): {};
    ensurePropertyDescriptor(propertyName: any): void;
    _setupInitialProperties(): void;
    _ensurePropertyDescriptor(prop: any): void;
    updateNestedProperty(propertyPath: any, value: any): void;
    updateSimpleProperty(propertyName: any, value: any): void;
}