import { BaseSequenceItemRenderer } from "./BaseSequenceItemRenderer";
import type { D3SvgElementSelection } from "../../types";
export declare class ChemSequenceItemRenderer extends BaseSequenceItemRenderer {
    get symbolToDisplay(): string;
    protected drawModification(): void;
    show(): void;
    protected appendRootElement(): D3SvgElementSelection<SVGGElement, void>;
}