import { ChangeDetectorRef, EventEmitter } from '@angular/core';
import { ControlValueAccessor } from "@angular/forms";
export declare class RelationalComponent implements ControlValueAccessor {
    private _detectorRef;
    template: string;
    sourcePlaceholder: string;
    targetPlaceholder: string;
    bindingProperty: string;
    list: Array<any>;
    sourceLabel: string;
    targetLabel: string;
    layout: 'vertical' | 'horizontal';
    swapOn: boolean;
    queryChange: EventEmitter<string>;
    private _source;
    private _target;
    constructor(_detectorRef: ChangeDetectorRef);
    private onTouchedCallback;
    private onChangeCallback;
    source: any;
    target: any;
    writeValue(obj: [any, any]): void;
    registerOnChange(fn: any): void;
    registerOnTouched(fn: any): void;
    swapValues(obj: [any, any]): void;
}