import type { WebGLContextManager } from "../../../webgl/context-manager";
import type { SeriesChart } from "../series";
type GL = WebGL2RenderingContext | WebGLRenderingContext;
/**
 * Scatter glyph for {@link SeriesChart}. Owns the program + per-axis
 * (position, color) GPU buffers. Single program/buffer set; left and
 * right axes are merged into shared buffers with sub-ranges.
 */
export declare class ScatterGlyph {
    private _program;
    private _buffers;
    private ensureProgram;
    /**
     * Drop persistent scatter buffer state. The underlying GL buffer
     * objects on `_program` are reused (owned by the program cache,
     * not the per-build buffer view).
     */
    invalidateBuffers(_chart: SeriesChart): void;
    /**
     * Build merged per-axis (position, color) buffers for every visible
     * scatter series and upload them. Hidden series are excluded — call
     * this from data-load and from the legend-toggle path so the GPU
     * buffers always reflect the current visible mask.
     */
    rebuildBuffers(chart: SeriesChart, glManager: WebGLContextManager): void;
    /**
     * Bind the persistent left/right buffers and issue up to two draw
     * calls. No per-frame allocations or buffer uploads.
     */
    draw(chart: SeriesChart, gl: GL, glManager: WebGLContextManager, projLeft: Float32Array, projRight: Float32Array): void;
    destroy(chart: SeriesChart): void;
}
export {};