import { InputSignal } from '@angular/core';
export interface Offset {
    top: number;
    left: number;
}
export interface Point {
    x: number;
    y: number;
}
export interface Rect {
    x: number;
    y: number;
    width: number;
    height: number;
}
export interface PanZoomConfigOptions {
    zoomLevels: number;
    neutralZoomLevel: number;
    scalePerZoomLevel: number;
    initialZoomLevel: number;
    friction: number;
    haltSpeed: number;
    initialPanX: number;
    initialPanY: number;
    initialZoomToFit?: Rect;
    keepInBounds: boolean;
    keepInBoundsDragPullback: number;
    keepInBoundsRestoreForce: number;
    panOnClickDrag: boolean;
    dragMouseButton: 'left' | 'middle' | 'right';
    zoomButtonIncrement: number;
    zoomOnDoubleClick: boolean;
    zoomOnMouseWheel: boolean;
    invertMouseWheel: boolean;
    zoomStepDuration: number;
    zoomToFitZoomLevelFactor: number;
    freeMouseWheel: boolean;
    freeMouseWheelFactor: number;
    noDragFromElementClass?: string;
    acceleratePan: boolean;
    dynamicContentDimensions: boolean;
}
export type PanZoomConfigSignalOptions = {
    [k in keyof PanZoomConfigOptions]: InputSignal<PanZoomConfigOptions[k]>;
};
export interface ZoomAnimation {
    deltaZoomLevel: number;
    panStepFunc: Function;
    duration: number;
    progress: number;
}
export interface Position {
    x?: number;
    y?: number;
    length?: number;
}
export type EventListenerExtOptions = EventListenerOptions & {
    passive?: boolean;
};
export interface PanZoomModel {
    zoomLevel: number;
    isPanning?: boolean;
    pan: Point;
}
export type ZoomType = 'lastPoint' | 'viewCenter';