/**
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
 */
import { AfterContentChecked, AfterViewInit, ChangeDetectorRef, ElementRef, EventEmitter, OnChanges, OnDestroy, OnInit, QueryList, SimpleChanges, TemplateRef } from '@angular/core';
import { ReplaySubject } from 'rxjs';
import { VtsNoAnimationDirective } from '@ui-vts-kit/ng-vts/core/no-animation';
import { BooleanInput, VtsSafeAny } from '@ui-vts-kit/ng-vts/core/types';
import { VtsGraphData } from './data-source/graph-data-source';
import { VtsGraphNodeComponent } from './graph-node.component';
import { VtsGraphZoomDirective } from './graph-zoom.directive';
import { VtsGraphDataDef, VtsGraphEdge, VtsGraphEdgeDef, VtsGraphGroupNode, VtsGraphLayoutConfig, VtsGraphNode, VtsGraphNodeDef, VtsGraphOption, VtsRankDirection } from './interface';
import * as i0 from "@angular/core";
/** Checks whether an object is a data source. */
export declare function isDataSource(value: VtsSafeAny): value is VtsGraphData;
export declare class VtsGraphComponent implements OnInit, OnChanges, AfterViewInit, AfterContentChecked, OnDestroy {
    private cdr;
    private elementRef;
    noAnimation?: VtsNoAnimationDirective;
    vtsGraphZoom?: VtsGraphZoomDirective;
    static ngAcceptInputType_vtsAutoSize: BooleanInput;
    listOfNodeElement: QueryList<ElementRef>;
    listOfNodeComponent: QueryList<VtsGraphNodeComponent>;
    nodeTemplate?: TemplateRef<{
        $implicit: VtsGraphNode;
    }>;
    groupNodeTemplate?: TemplateRef<{
        $implicit: VtsGraphGroupNode;
    }>;
    customGraphEdgeTemplate?: TemplateRef<{
        $implicit: VtsGraphEdge;
    }>;
    /**
     * Provides a stream containing the latest data array to render.
     * Data source can be an observable of VtsGraphData, or a VtsGraphData to render.
     */
    vtsGraphData: VtsGraphData;
    vtsRankDirection: VtsRankDirection;
    vtsGraphLayoutConfig?: VtsGraphLayoutConfig;
    vtsAutoSize: boolean;
    readonly vtsGraphInitialized: EventEmitter<VtsGraphComponent>;
    readonly vtsGraphRendered: EventEmitter<VtsGraphComponent>;
    readonly vtsNodeClick: EventEmitter<VtsGraphNode | VtsGraphGroupNode>;
    requestId: number;
    transformStyle: string;
    graphRenderedSubject$: ReplaySubject<void>;
    renderInfo: VtsGraphGroupNode;
    mapOfNodeAttr: {
        [key: string]: VtsGraphNodeDef;
    };
    mapOfEdgeAttr: {
        [key: string]: VtsGraphEdgeDef;
    };
    zoom: number;
    readonly typedNodes: (item: unknown) => (VtsGraphGroupNode | VtsGraphNode)[];
    private dataSource?;
    private layoutSetting;
    /** Data subscription */
    private _dataSubscription?;
    private destroy$;
    nodeTrackByFun: (_: number, node: VtsGraphNode | VtsGraphGroupNode) => any;
    edgeTrackByFun: (_: number, edge: VtsGraphEdge) => string;
    subGraphTransform: (node: VtsGraphGroupNode) => string;
    coreTransform: (node: VtsGraphGroupNode) => string;
    constructor(cdr: ChangeDetectorRef, elementRef: ElementRef, noAnimation?: VtsNoAnimationDirective, vtsGraphZoom?: VtsGraphZoomDirective);
    ngOnInit(): void;
    ngOnChanges(changes: SimpleChanges): void;
    ngAfterViewInit(): void;
    ngAfterContentChecked(): void;
    ngOnDestroy(): void;
    /**
     * Emit event
     */
    clickNode(node: VtsGraphNode | VtsGraphGroupNode): void;
    /**
     * Move graph to center and scale automatically
     */
    fitCenter(): void;
    /**
     * re-Draw graph
     * @param data
     * @param options
     * @param needResize
     */
    drawGraph(data: VtsGraphDataDef, options: VtsGraphOption, needResize?: boolean): Promise<void>;
    /**
     * Redraw all nodes
     * @param animate
     */
    drawNodes(animate?: boolean): Promise<void>;
    private resizeNodeSize;
    /**
     * Switch to the provided data source by resetting the data and unsubscribing from the current
     * render change subscription if one exists. If the data source is null, interpret this by
     * clearing the node outlet. Otherwise start listening for new data.
     */
    private _switchDataSource;
    /** Set up a subscription for the data provided by the data source. */
    private observeRenderChanges;
    /**
     * Get renderInfo and prepare some data
     * @param data
     * @param options
     * @private
     */
    private buildGraphInfo;
    /**
     * Play with animation
     * @private
     */
    private makeNodesAnimation;
    private parseInfo;
    /**
     * Merge config with user inputs
     * @param config
     * @private
     */
    private mergeConfig;
    static ɵfac: i0.ɵɵFactoryDeclaration<VtsGraphComponent, [null, null, { optional: true; host: true; }, { optional: true; }]>;
    static ɵcmp: i0.ɵɵComponentDeclaration<VtsGraphComponent, "vts-graph", ["vtsGraph"], { "vtsGraphData": { "alias": "vtsGraphData"; "required": false; }; "vtsRankDirection": { "alias": "vtsRankDirection"; "required": false; }; "vtsGraphLayoutConfig": { "alias": "vtsGraphLayoutConfig"; "required": false; }; "vtsAutoSize": { "alias": "vtsAutoSize"; "required": false; }; }, { "vtsGraphInitialized": "vtsGraphInitialized"; "vtsGraphRendered": "vtsGraphRendered"; "vtsNodeClick": "vtsNodeClick"; }, ["nodeTemplate", "groupNodeTemplate", "customGraphEdgeTemplate"], ["*"], false, never>;
}