/**
 * The lines and fills of one look: colours and widths only, never the geometry.
 *
 * @example
 * ```ts
 * import { STYLES, type Style } from "@johnmorrisdotca/chikyu-earth";
 *
 * const thick: Style = STYLES.thick;
 * console.log(thick.outline, thick.line);
 * ```
 */
export interface Style {
    /** The colour of the outlines and the rim. */
    line: string;
    /** The disc of ocean. */
    ocean: string;
    /** The fill under a country's outline. */
    land: string;
    /** Country outline width, in SVG units. */
    outline: number;
    /** Rim width, in SVG units. */
    horizon: number;
    /** Graticule width, in SVG units. */
    graticule: number;
}
/**
 * The looks the globe is drawn in, by name: `line` (thin outlines) and `thick`.
 *
 * @example
 * ```ts
 * import { STYLES } from "@johnmorrisdotca/chikyu-earth";
 *
 * console.log(Object.keys(STYLES), STYLES.line.ocean);
 * ```
 */
export declare const STYLES: {
    readonly line: {
        readonly line: "#8fa1b8";
        readonly ocean: "#0b1424";
        readonly land: "#13203a";
        readonly outline: 0.5;
        readonly horizon: 1;
        readonly graticule: 0.3;
    };
    readonly thick: {
        readonly line: "#b4c2d4";
        readonly ocean: "#0b1424";
        readonly land: "#1a2b47";
        readonly outline: 1.2;
        readonly horizon: 2;
        readonly graticule: 0.5;
    };
};
/**
 * The name of a look: `"line"` or `"thick"`.
 *
 * @example
 * ```ts
 * import { globe, type StyleName } from "@johnmorrisdotca/chikyu-earth";
 *
 * const look: StyleName = "thick";
 * console.log(globe({ style: look, size: 100 }).includes("stroke-width"));
 * ```
 */
export type StyleName = keyof typeof STYLES;
/**
 * The style a drawing is in when none is named.
 *
 * @example
 * ```ts
 * import { DEFAULT_STYLE } from "@johnmorrisdotca/chikyu-earth";
 *
 * console.log(DEFAULT_STYLE);
 * ```
 */
export declare const DEFAULT_STYLE: StyleName;
/**
 * Every style's name, in the order they are listed.
 *
 * @example
 * ```ts
 * import { STYLE_NAMES } from "@johnmorrisdotca/chikyu-earth";
 *
 * console.log(STYLE_NAMES.join(", "));
 * ```
 */
export declare const STYLE_NAMES: StyleName[];
/**
 * A value from outside (an attribute, a query parameter) as a style's name: the default for anything else.
 *
 * @param value - Anything.
 * @returns A valid style name; {@link DEFAULT_STYLE} when `value` names none.
 *
 * @example
 * ```ts
 * import { cleanStyle } from "@johnmorrisdotca/chikyu-earth";
 *
 * console.log(cleanStyle("thick"), cleanStyle("neon"), cleanStyle(null));
 * ```
 */
export declare const cleanStyle: (value: unknown) => StyleName;