import type { Vec2 } from '../../math';
import type { Rect, Sides } from './layout';
export declare const FACET_AXES: readonly ["x", "x2", "y", "y2"];
declare const FACET_AXIS_MODES: readonly ["shared", "free", "row", "col"];
declare const FACET_AXIS_VISIBILITY_MODES: readonly ["auto", "all", "outer", "inner", "none"];
export type FacetAxis = (typeof FACET_AXES)[number];
export type FacetAxisMode = (typeof FACET_AXIS_MODES)[number];
export type FacetAxisVisibilityMode = (typeof FACET_AXIS_VISIBILITY_MODES)[number];
export type FacetKey = string | number;
export type FacetAxisRanges = Partial<Record<FacetAxis, Vec2>>;
export type FacetAxisModes = Record<FacetAxis, FacetAxisMode>;
export type FacetAxisVisibilityModes = Partial<Record<FacetAxis, FacetAxisVisibilityMode>>;
export type FacetAxisVisibility = Record<FacetAxis, boolean>;
type FacetRangeUpdate = Vec2 | null;
type FacetRangeUpdateCallback = (axis: FacetAxis, range: FacetRangeUpdate) => void;
type FacetSharedBand = `title` | `legend` | `color_bar`;
export interface FacetPanel<Datum = unknown> {
    key: FacetKey;
    data: Datum;
    row?: number;
    column?: number;
    row_span?: number;
    column_span?: number;
}
interface PositionedFacetPanel<Datum = unknown> {
    key: FacetKey;
    data: Datum;
    index: number;
    row: number;
    column: number;
    row_span: number;
    column_span: number;
}
interface FacetGridLayout<Datum = unknown> {
    rows: number;
    columns: number;
    panels: PositionedFacetPanel<Datum>[];
}
export interface FacetPanelLayoutReport {
    padding?: Sides;
    ranges?: FacetAxisRanges;
}
interface KeyedFacetPanelLayoutReport extends FacetPanelLayoutReport {
    key: FacetKey;
}
interface KeyedFacetAxisRanges {
    key: FacetKey;
    ranges: FacetAxisRanges;
}
export interface FacetSharedBandSizes {
    title_height?: number;
    legend_width?: number;
    color_bar_width?: number;
    gap?: number;
}
interface FacetGridGeometry {
    width: number;
    height: number;
    row_gap?: number;
    column_gap?: number;
    shared_bands?: FacetSharedBandSizes;
}
export interface FacetSharedBandContext {
    band: FacetSharedBand;
    rect: Rect;
}
export interface ResolvedFacetGridGeometry {
    panel_grid: Rect;
    panels: {
        key: FacetKey;
        rect: Rect;
    }[];
    title?: FacetSharedBandContext;
    legend?: FacetSharedBandContext;
    color_bar?: FacetSharedBandContext;
}
export interface FacetLayoutContext {
    padding: Sides;
    ranges: FacetAxisRanges;
    axis_visibility: FacetAxisVisibility;
    report_layout: (report: FacetPanelLayoutReport) => void;
    update_range: FacetRangeUpdateCallback;
}
export interface FacetPanelContext<Datum = unknown> extends PositionedFacetPanel<Datum>, FacetLayoutContext {
    rect: Rect;
}
export declare function assign_facet_panels<Datum>(panels: readonly FacetPanel<Datum>[], columns: number, rows?: number): FacetGridLayout<Datum>;
export declare function reconcile_facet_ranges<Datum>(layout: FacetGridLayout<Datum>, reports: readonly KeyedFacetPanelLayoutReport[], modes?: Partial<FacetAxisModes>, overrides?: readonly KeyedFacetAxisRanges[]): KeyedFacetAxisRanges[];
export declare function propagate_facet_range<Datum>(layout: FacetGridLayout<Datum>, current: readonly KeyedFacetAxisRanges[], source_key: FacetKey, axis: FacetAxis, range: FacetRangeUpdate, modes?: Partial<FacetAxisModes>): KeyedFacetAxisRanges[];
export declare const reconcile_facet_padding: (layout: FacetGridLayout, reports: readonly KeyedFacetPanelLayoutReport[]) => Sides;
export declare function resolve_facet_axis_visibility(panel: PositionedFacetPanel, layout: Pick<FacetGridLayout, `panels`>, modes?: Partial<FacetAxisModes>, visibility_modes?: FacetAxisVisibilityModes): FacetAxisVisibility;
export declare function compute_facet_geometry<Datum>(layout: FacetGridLayout<Datum>, geometry: FacetGridGeometry): ResolvedFacetGridGeometry;
export {};