import { ElementRef } from '@angular/core';
import type { ExportFormat } from '../shared/chart-export-menu.component';
import * as i0 from "@angular/core";
export interface RidgelineItem {
    label: string;
    values: number[];
    color?: string;
}
export declare class RidgelineChartComponent {
    private readonly exportSvc;
    readonly instanceId: string;
    data: import("@angular/core").InputSignal<RidgelineItem[]>;
    height: import("@angular/core").InputSignal<number>;
    showGrid: import("@angular/core").InputSignal<boolean>;
    showLabels: import("@angular/core").InputSignal<boolean>;
    useGradient: import("@angular/core").InputSignal<boolean>;
    colors: import("@angular/core").InputSignal<string[]>;
    overlap: import("@angular/core").InputSignal<number>;
    showExport: import("@angular/core").InputSignal<boolean>;
    containerWidth: import("@angular/core").WritableSignal<number>;
    hoveredIndex: import("@angular/core").WritableSignal<number | null>;
    tooltip: import("@angular/core").WritableSignal<any>;
    tooltipX: import("@angular/core").WritableSignal<number>;
    tooltipY: import("@angular/core").WritableSignal<number>;
    svgEl: import("@angular/core").Signal<ElementRef<SVGElement> | undefined>;
    margin: import("@angular/core").Signal<{
        top: number;
        right: number;
        bottom: number;
        left: number;
    }>;
    svgHeight: import("@angular/core").Signal<number>;
    innerW: import("@angular/core").Signal<number>;
    innerH: import("@angular/core").Signal<number>;
    constructor();
    bounds: import("@angular/core").Signal<{
        min: number;
        max: number;
    }>;
    xTicks: import("@angular/core").Signal<number[]>;
    xDomain: import("@angular/core").Signal<{
        min: number;
        max: number;
    }>;
    xPos(val: number): number;
    computedItems: import("@angular/core").Signal<{
        label: string;
        count: number;
        min: number;
        max: number;
        median: number;
        color: string;
        baselineY: number;
        areaPath: string;
        linePath: string;
    }[]>;
    private kernelDensityEstimator;
    private getStdDev;
    onRowHover(idx: number, event: MouseEvent): void;
    onRowMouseMove(event: MouseEvent): void;
    onMouseLeave(): void;
    onExport(type: ExportFormat): void;
    exportToJson(): void;
    exportToCsv(): void;
    exportToSvg(): void;
    exportToPdf(): void;
    formatNumber(v: number): string;
    static ɵfac: i0.ɵɵFactoryDeclaration<RidgelineChartComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<RidgelineChartComponent, "ngx-ridgeline-chart", never, { "data": { "alias": "data"; "required": false; "isSignal": true; }; "height": { "alias": "height"; "required": false; "isSignal": true; }; "showGrid": { "alias": "showGrid"; "required": false; "isSignal": true; }; "showLabels": { "alias": "showLabels"; "required": false; "isSignal": true; }; "useGradient": { "alias": "useGradient"; "required": false; "isSignal": true; }; "colors": { "alias": "colors"; "required": false; "isSignal": true; }; "overlap": { "alias": "overlap"; "required": false; "isSignal": true; }; "showExport": { "alias": "showExport"; "required": false; "isSignal": true; }; }, {}, never, never, true, never>;
}