import { type D3SymbolName } from '../../labels';
export interface CanvasMarker {
    cx: number;
    cy: number;
    radius: number;
    symbol_size?: number;
    symbol_type?: D3SymbolName;
    fill: string;
    fill_opacity: number;
    stroke: string;
    stroke_width: number;
    stroke_opacity: number;
    opacity: number;
}
export declare function draw_markers(ctx: CanvasRenderingContext2D, markers: readonly CanvasMarker[], options: {
    width: number;
    height: number;
    pixel_ratio?: number;
}): void;