import { ElementRef } from '@angular/core';
import type { ExportFormat } from '../shared/chart-export-menu.component';
import { fmtNum } from '../shared/chart-utils';
import * as i0 from "@angular/core";
export interface ArcNode {
    id: string;
    label: string;
    value?: number;
    color?: string;
}
export interface ArcLink {
    source: string;
    target: string;
    value?: number;
}
interface ProcessedNode {
    id: string;
    label: string;
    value: number;
    x: number;
    y: number;
    r: number;
    color: string;
    index: number;
}
interface ProcessedLink {
    sourceId: string;
    targetId: string;
    sourceNode: ProcessedNode;
    targetNode: ProcessedNode;
    path: string;
    weight: number;
}
export declare class ArcDiagramComponent {
    private readonly exportSvc;
    nodes: import("@angular/core").InputSignal<ArcNode[]>;
    links: import("@angular/core").InputSignal<ArcLink[]>;
    height: import("@angular/core").InputSignal<number>;
    width: import("@angular/core").InputSignal<number>;
    colors: import("@angular/core").InputSignal<string[]>;
    showLabels: import("@angular/core").InputSignal<boolean>;
    showExport: import("@angular/core").InputSignal<boolean>;
    svgEl: import("@angular/core").Signal<ElementRef<SVGElement> | undefined>;
    hoveredNodeId: import("@angular/core").WritableSignal<string | null>;
    hoveredLink: import("@angular/core").WritableSignal<ProcessedLink | null>;
    tooltip: import("@angular/core").WritableSignal<any>;
    margin: import("@angular/core").Signal<{
        top: number;
        right: number;
        bottom: number;
        left: number;
    }>;
    axisY: import("@angular/core").Signal<number>;
    uniqueGroups: import("@angular/core").Signal<string[]>;
    neighborNodeIds: import("@angular/core").Signal<string[]>;
    computedNodes: import("@angular/core").Signal<ProcessedNode[]>;
    computedLinks: import("@angular/core").Signal<ProcessedLink[]>;
    linkHovered(link: ProcessedLink): boolean;
    onNodeHover(event: MouseEvent, node: ProcessedNode): void;
    onLinkHover(event: MouseEvent, link: ProcessedLink): void;
    onMouseLeave(): void;
    onExport(type: ExportFormat): void;
    exportToJson(): void;
    exportToCsv(): void;
    exportToSvg(): void;
    exportToPdf(): void;
    readonly fmtNum: typeof fmtNum;
    static ɵfac: i0.ɵɵFactoryDeclaration<ArcDiagramComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<ArcDiagramComponent, "ngx-arc-diagram", never, { "nodes": { "alias": "nodes"; "required": false; "isSignal": true; }; "links": { "alias": "links"; "required": false; "isSignal": true; }; "height": { "alias": "height"; "required": false; "isSignal": true; }; "width": { "alias": "width"; "required": false; "isSignal": true; }; "colors": { "alias": "colors"; "required": false; "isSignal": true; }; "showLabels": { "alias": "showLabels"; "required": false; "isSignal": true; }; "showExport": { "alias": "showExport"; "required": false; "isSignal": true; }; }, {}, never, never, true, never>;
}
export {};