import { OperatorSelectorValueChangedEventArgs as OperatorSelectorValueChangedEventArgs_internal } from "./OperatorSelectorValueChangedEventArgs";
import { ColumnComparisonConditionOperatorType } from "./ColumnComparisonConditionOperatorType";
/**
 * Event arguments for the ComparisonOperatorSelector ValueChanged event.
*/
export declare class IgcOperatorSelectorValueChangedEventArgs {
    protected createImplementation(): OperatorSelectorValueChangedEventArgs_internal;
    protected _implementation: any;
    /**
     * @hidden
     */
    get i(): OperatorSelectorValueChangedEventArgs_internal;
    private onImplementationCreated;
    constructor();
    protected _provideImplementation(i: any): void;
    get oldValue(): ColumnComparisonConditionOperatorType;
    set oldValue(v: ColumnComparisonConditionOperatorType);
    get newValue(): ColumnComparisonConditionOperatorType;
    set newValue(v: ColumnComparisonConditionOperatorType);
}