/** @jsx jsx */
/** @jsxFrag React.Fragment */
/**
 * Items pertaining to extent data.
 */
import React from 'react';
import type { ItemClassConfiguration } from '@riboseinc/paneron-registry-kit/types';
import { type CommonGRItemData } from './common';
interface ExtentBoundingPolygonPoint {
    /** Latitude (+/-90, Northern hemisphere positive) */
    lat: number;
    /** Longitude (+/-180, Eastern hemisphere positive) */
    lon: number;
}
export interface Extent {
    n: string;
    e: string;
    s: string;
    w: string;
    name: string;
    polygonPoints?: ExtentBoundingPolygonPoint[];
    /** Start date on which item is valid. */
    temporalExtentStartDate?: string;
    /** End date on which item stops being valid. */
    temporalExtentEndDate?: string;
}
/** A.k.a. “domain of validity”. */
export interface ExtentItemData extends CommonGRItemData {
    extent: Extent;
}
/** Placeholder/stub extent value. */
export declare const DEFAULT_EXTENT: Extent;
export declare const EXTENT_DEFAULTS: ExtentItemData;
/**
 * A widget for editing extent data.
 */
export declare const ExtentEdit: React.FC<{
    extent: Extent;
    onChange?: (ext: Extent) => void;
}>;
export declare const extent: ItemClassConfiguration<ExtentItemData>;
/**
 * A widget combining two widgets,
 * one for legacy extent data and one for extent reference.
 *
 * Legacy extent data is read-only regardless of `onChange` prop.
 */
export declare const CombinedExtentWidget: React.VoidFunctionComponent<{
    /**
     * Legacy extent information.
     * If undefined, legacy extent widget is not shown.
     */
    extent?: Extent;
    /** Extent item reference. */
    extentRef?: string;
    /**
     * If provided, editing extent reference can be changed,
     * upon which this callback is invoked.
     */
    onRefChange?: (ref: string | undefined) => void;
}>;
export {};