import { type Signal } from '@angular/core';
import { type DfPoint } from '../../ng-draw-flow.interfaces';
import { type DfPanZoomBounds } from './pan-zoom.bounds-tracker';
import { type DfPanzoomModel } from './pan-zoom.interfaces';
import { type DfPanSizeDimensions } from './pan-zoom.options';
import * as i0 from "@angular/core";
export interface DfPanZoomUsableRect {
    readonly minX: number;
    readonly minY: number;
    readonly maxX: number;
    readonly maxY: number;
}
export interface DfPanZoomWorkspaceRect extends DfPanZoomUsableRect {
    readonly width: number;
    readonly height: number;
}
export declare class PanZoomService {
    private readonly cameraSignal;
    private readonly disabledSignal;
    private readonly trackedNodesCountSignal;
    private readonly usableRectSignal;
    private readonly boundsTracker;
    private readonly nodeBounds;
    private readonly legacyModelProxy;
    readonly camera: Signal<DfPanzoomModel>;
    readonly disabled: Signal<boolean>;
    readonly usableRect: Signal<DfPanZoomUsableRect>;
    readonly workspaceRect: Signal<DfPanZoomWorkspaceRect>;
    readonly panSize: Signal<DfPanSizeDimensions>;
    readonly workspaceOrigin: Signal<DfPoint>;
    readonly workspaceCenter: Signal<DfPoint>;
    /** @deprecated Backward-compatible mutable camera access */
    get panzoomModel(): DfPanzoomModel;
    set panzoomModel(model: DfPanzoomModel);
    /** @deprecated Backward-compatible mutable flag access */
    get panzoomDisabled(): boolean;
    set panzoomDisabled(value: boolean);
    snapshot(): DfPanzoomModel;
    setCamera(camera: DfPanzoomModel): void;
    patchCamera(camera: Partial<DfPanzoomModel>): void;
    setDisabled(value: boolean): void;
    isDisabled(): boolean;
    upsertNodeBounds(id: string, bounds: DfPanZoomBounds): void;
    removeNodeBounds(id: string): void;
    getBoundsForNodeIds(ids: readonly string[]): DfPanZoomUsableRect | null;
    private syncUsableRect;
    static ɵfac: i0.ɵɵFactoryDeclaration<PanZoomService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<PanZoomService>;
}