import * as ko from 'knockout';
import { ISnapLine } from './_snapLineSurface';
import { IArea } from '../elements/area';
export declare class SnapLinesCollector {
    private _verticalSnapLines;
    private _horizontalSnapLines;
    private _snapTargetToIgnore;
    private _appendSnapLine;
    private _collectSnaplines;
    _getCollection(parent: any): {
        rect: ko.Observable<IArea>;
    }[];
    _enumerateCollection(parent: any, parentAbsoluteProsition: {
        top: number;
        left: number;
    }, callback: (item: any, itemAbsoluteRect: {
        left: number;
        right: number;
        top: number;
        bottom: number;
    }) => void): void;
    collectSnaplines(root: any, snapTargetToIgnore: any): {
        vertical: ISnapLine[];
        horizontal: ISnapLine[];
    };
}