import { ConfigurationMessage_Spark } from "./ConfigurationMessage_Spark";
import { Type } from "igniteui-react-core";
/**
 * @hidden
 */
export declare class PropertyChangedMessage_Spark extends ConfigurationMessage_Spark {
    static $t: Type;
    private f;
    get propertyName(): string;
    set propertyName(a: string);
    private c;
    get oldValue(): any;
    set oldValue(a: any);
    private b;
    get newValue(): any;
    set newValue(a: any);
    toString(): string;
}