import { ElementRef } from '@angular/core';
import * as i0 from "@angular/core";
export interface BiplotPoint {
    x: number;
    y: number;
    label: string;
    group?: string;
}
export interface BiplotVector {
    x: number;
    y: number;
    label: string;
}
interface ProcessedPoint {
    label: string;
    xVal: number;
    yVal: number;
    cx: number;
    cy: number;
    group?: string;
    color: string;
}
interface ProcessedVector {
    label: string;
    xVal: number;
    yVal: number;
    x2: number;
    y2: number;
}
export declare class BiplotComponent {
    private readonly exportSvc;
    points: import("@angular/core").InputSignal<BiplotPoint[]>;
    vectors: import("@angular/core").InputSignal<BiplotVector[]>;
    height: import("@angular/core").InputSignal<number>;
    showLabels: import("@angular/core").InputSignal<boolean>;
    vectorScale: import("@angular/core").InputSignal<number>;
    colors: import("@angular/core").InputSignal<string[]>;
    showExport: import("@angular/core").InputSignal<boolean>;
    containerWidth: import("@angular/core").WritableSignal<number>;
    hoveredPointIndex: 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>;
    svgHeight: import("@angular/core").Signal<number>;
    margin: import("@angular/core").Signal<{
        top: number;
        right: number;
        bottom: number;
        left: number;
    }>;
    innerW: import("@angular/core").Signal<number>;
    innerH: import("@angular/core").Signal<number>;
    maxExtent: import("@angular/core").Signal<number>;
    xTicks: import("@angular/core").Signal<number[]>;
    yTicks: import("@angular/core").Signal<number[]>;
    xPos(val: number): number;
    yPos(val: number): number;
    originX: import("@angular/core").Signal<number>;
    originY: import("@angular/core").Signal<number>;
    constructor();
    computedPoints: import("@angular/core").Signal<ProcessedPoint[]>;
    computedVectors: import("@angular/core").Signal<ProcessedVector[]>;
    onPointHover(idx: number, event: MouseEvent): void;
    onMouseMove(event: MouseEvent): void;
    onMouseLeave(): void;
    toggleExportMenu(event: MouseEvent): void;
    closeExportMenu(): void;
    onExport(type: 'json' | 'csv' | 'svg' | 'pdf'): void;
    exportToCsv(): void;
    exportToJson(): void;
    exportToSvg(): void;
    exportToPdf(): void;
    formatNumber(v: number): string;
    static ɵfac: i0.ɵɵFactoryDeclaration<BiplotComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<BiplotComponent, "ngx-biplot", never, { "points": { "alias": "points"; "required": false; "isSignal": true; }; "vectors": { "alias": "vectors"; "required": false; "isSignal": true; }; "height": { "alias": "height"; "required": false; "isSignal": true; }; "showLabels": { "alias": "showLabels"; "required": false; "isSignal": true; }; "vectorScale": { "alias": "vectorScale"; "required": false; "isSignal": true; }; "colors": { "alias": "colors"; "required": false; "isSignal": true; }; "showExport": { "alias": "showExport"; "required": false; "isSignal": true; }; }, {}, never, never, true, never>;
}
export {};