import { type Cut } from "./venue.geom.ts";
import { type Upright } from "./turn.kit.ts";
import type { SurfaceOptions } from "./types.ts";
/** What can be asked of the venue. */
export interface VenueSettings {
    /** Roofs and canopies over the top tier of the stands: a canopy over the back of the top tier in the open, a lid over a hall. They give way to the eye as the walls do. Off by default. */
    roof?: boolean;
    /** How finely the curves are cut: `low` a facet to each corner, `auto` (the default) three, `high` six; an oval is 12, 28 or 56 facets round. */
    detail?: Cut;
}
/** The settings a venue is built from: the asker's, and the prefix of the ids of what it draws, which the view gives. */
export interface VenueBuild extends VenueSettings {
    id: string;
}
/** What the venue is made of: the things that stand, and the patterns they are drawn with (the contents of a `defs`). */
export interface Venue {
    items: Upright[];
    defs: string;
    /** How far the venue reaches beyond the surface's box on its widest side, in feet: the ground the floor needs for it to stand on. 0 for none. */
    reach: number;
}
export declare const NO_VENUE: Venue;
/** How far the roof stands over the top row at its edge, in feet (ours: no rule gives it), and how far it reaches over the seats. */
export declare const ROOF: {
    readonly clearance: 26;
    readonly canopyReach: 0.62;
    readonly canopyDrop: 6;
    readonly lidRise: 26;
};
/** The stands of a surface as planes: `undefined`-free, an empty venue when the options have no crowd (or the crowd is a hall's gallery, which `venue.room.ts` raises). */
export declare function standsVenue(o: SurfaceOptions, v: VenueBuild, lift: number): Venue;