import { ElementRef } from '@angular/core';
import { fmtNum } from '../shared/chart-utils';
import * as i0 from "@angular/core";
export interface FlowNode {
    id: string;
    lat: number;
    lng: number;
    label?: string;
    size?: number;
    color?: string;
}
export interface FlowConnection {
    from: string;
    to: string;
    value: number;
    label?: string;
    color?: string;
}
export declare class FlowmapComponent {
    title: import("@angular/core").InputSignal<string>;
    nodes: import("@angular/core").InputSignal<FlowNode[]>;
    flows: import("@angular/core").InputSignal<FlowConnection[]>;
    height: import("@angular/core").InputSignal<number>;
    theme: import("@angular/core").InputSignal<"light" | "dark">;
    showExport: import("@angular/core").InputSignal<boolean>;
    colors: import("@angular/core").InputSignal<string[]>;
    containerWidth: import("@angular/core").WritableSignal<number>;
    hoveredNodeId: import("@angular/core").WritableSignal<string | null>;
    hoveredFlowIndex: import("@angular/core").WritableSignal<number | null>;
    tooltip: import("@angular/core").WritableSignal<any>;
    tooltipX: import("@angular/core").WritableSignal<number>;
    tooltipY: import("@angular/core").WritableSignal<number>;
    exportMenuOpen: import("@angular/core").WritableSignal<boolean>;
    svgEl: import("@angular/core").Signal<ElementRef<SVGElement> | undefined>;
    private container;
    constructor();
    baseMapPaths: import("@angular/core").Signal<string[]>;
    computedNodes: import("@angular/core").Signal<{
        id: string;
        x: number;
        y: number;
        size: number;
        color: string;
        raw: FlowNode;
    }[]>;
    private flowValues;
    private maxFlowVal;
    private minFlowVal;
    computedFlows: import("@angular/core").Signal<{
        path: string;
        strokeWidth: number;
        duration: string;
        color: string;
        raw: FlowConnection;
    }[]>;
    onNodeHover(node: FlowNode, event: MouseEvent): void;
    onNodeMouseMove(event: MouseEvent): void;
    onFlowHover(flow: FlowConnection, idx: number, event: MouseEvent): void;
    onFlowMouseMove(event: MouseEvent): void;
    onMouseLeave(): void;
    toggleExportMenu(event: MouseEvent): void;
    closeExportMenu(): void;
    onExport(type: 'json' | 'csv' | 'svg' | 'pdf'): void;
    exportToJson(): void;
    exportToCsv(): void;
    exportToSvg(): void;
    exportToPdf(): void;
    readonly fmtNum: typeof fmtNum;
    static ɵfac: i0.ɵɵFactoryDeclaration<FlowmapComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<FlowmapComponent, "ngx-flowmap", never, { "title": { "alias": "title"; "required": false; "isSignal": true; }; "nodes": { "alias": "nodes"; "required": false; "isSignal": true; }; "flows": { "alias": "flows"; "required": false; "isSignal": true; }; "height": { "alias": "height"; "required": false; "isSignal": true; }; "theme": { "alias": "theme"; "required": false; "isSignal": true; }; "showExport": { "alias": "showExport"; "required": false; "isSignal": true; }; "colors": { "alias": "colors"; "required": false; "isSignal": true; }; }, {}, never, never, true, never>;
}