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