import { OrbitCameraOptions } from './camera/OrbitCamera';
import { OrbitControllerOptions } from './controls/OrbitController';
import { Axes3DOptions } from './Axes3D';
import { Renderer3DOptions, Renderer3DEventCallback } from './types';
import { CustomThemeOptions } from './colorThemes';

export interface WaterfallSeriesData {
    /** Y values for this slice */
    yValues: Float32Array;
    /** Fixed Z coordinate for this slice */
    z: number;
    /** Color for this slice */
    color?: [number, number, number];
}
export interface Waterfall3DRendererOptions extends Renderer3DOptions {
    camera?: OrbitCameraOptions;
    controls?: OrbitControllerOptions;
    axes?: Axes3DOptions;
    showAxes?: boolean;
    /** X values shared by all slices */
    xValues: Float32Array;
    /** Visual style: 'line' or 'area' (curtain) */
    sliceStyle?: 'line' | 'area';
    /** Base Y value (if sliceStyle is 'area') */
    baseY?: number;
    /** Global opacity */
    opacity?: number;
    /** Enable tooltips */
    enableTooltip?: boolean;
    /** Color theme options */
    theme?: CustomThemeOptions;
}
export declare class Waterfall3DRenderer {
    private canvas;
    private gl;
    private dpr;
    private programs;
    private camera;
    private controller;
    private axes;
    private vao;
    private positionBuffer;
    private normalBuffer;
    private colorBuffer;
    private indexBuffer;
    private indexCount;
    private backgroundColor;
    private sliceStyle;
    private baseY;
    private opacity;
    private xValues;
    private slices;
    private bounds;
    private animationFrameId;
    private needsRender;
    private eventListeners;
    private hoveredSeriesIndex;
    private colorTheme;
    private tooltip;
    private lastHitIndex;
    private boundHandleMouseMove?;
    private boundHandleMouseLeave?;
    constructor(options: Waterfall3DRendererOptions);
    setData(slices: WaterfallSeriesData[]): void;
    private updateBounds;
    private updateGeometry;
    render(): void;
    private startRenderLoop;
    fitToData(): void;
    private handleMouseMove;
    private handleMouseLeave;
    pickAtScreen(screenX: number, screenY: number): {
        seriesIndex: number;
        pointIndex: number;
        distance: number;
        point: [number, number, number];
    } | null;
    private handleResize;
    private resize;
    getCanvasSize(): {
        width: number;
        height: number;
    };
    getAxisLabels(): import('./Axes3D').AxisLabel3D[];
    getViewProjectionMatrix(): import('./math').Mat4Type;
    projectToScreen(worldPos: [number, number, number]): {
        x: number;
        y: number;
        visible: boolean;
    };
    on(event: string, callback: Renderer3DEventCallback): void;
    private emitEvent;
    destroy(): void;
}