import type { Site } from './';
type RenderSite = {
    site_idx: number;
    site: Site;
    is_image_atom: boolean;
    source_site_indices: number[];
};
type SliceGeometry = {
    element: string;
    occupancy: number;
    start_phi: number;
    end_phi: number;
    phi_length: number;
    render_start_cap: boolean;
    render_end_cap: boolean;
};
export declare const CAP_ARC_START: number;
export declare const CAP_ARC_LENGTH: number;
export declare const merge_split_partial_sites: (sites: Site[], hidden_elements?: ReadonlySet<string>) => RenderSite[];
export declare const compute_slice_geometry: (visible_species: Site[`species`]) => SliceGeometry[];
export {};