import { type DynamicScheme, Hct } from "@material/material-color-utilities";
import type { SchemeConstructor } from "./scheme-override.mjs";
export declare const TONE_RANGE: {
    Min: number;
    Max: number;
};
/**
 * Generates a color deterministically based on the seed provided
 */
export declare function colorFromSeed(seed: number): Hct;
type HexColor = `#${string}`;
/**
 * Generic function to format a namespace into a resulting type
 */
export type FormatType<T> = (namespace: Hct) => T;
/**
 * Static type representing all the different formatters supported by material-chalk
 */
export declare const Format: {
    /**
     * Format as a HCT <Hue, Chroma, Tone> tuple used by Material Design
     */
    Hct: (namespace: Hct) => Hct;
    /**
     * Format as a color hex code (ex. #ff0000 for red). Output is always lowercase
     */
    Hex: (namespace: Hct) => HexColor;
    /**
     * Decorates a given `chalk` object with the color of this material
     */
    Chalk: (chalk: typeof import("chalk").default) => (namespace: Hct) => typeof import("chalk").default;
    /**
     * Use the material as the source color for a Material Design scheme
     */
    Scheme: <Args extends any[], Result extends DynamicScheme>(scheme: SchemeConstructor<Args, Result>) => (...args: Args) => (namespace: Hct) => Result;
    /**
     * Custom formatter if none of the existing ones satisfy a use-case
     */
    Custom: <T>(fn: (namespace: Hct) => T) => (namespace: Hct) => T;
};
/**
 * Utility functions to working with a namespace
 */
export type NamespaceResult = {
    formatAs: <T>(format: FormatType<T>) => T;
    subMaterial: (namespace: string) => NamespaceResult;
};
/**
 * Force a specific color to be used for a namespace.
 * This is useful if you need to force a brand color for a namespace
 *
 * This will cause the specified color to be used even deep inside `createMaterial` calls
 *
 * Careful: this is change is global, so if you use this in a library,
 *          only use it for namespaces that are unlikely to be used by downstream users
 * @param namespace - the namespace to override
 * @param color - the color to use (see `matchColor` on how to generate this color easily)
 */
export declare function registerBrand(namespace: string, color: Hct): void;
/**
 * Options used when generating a material for a namespace
 */
export type MaterialOptions = {
    /**
     * Cache the HCT color generated for a given namespace
     */
    cache?: boolean;
};
/**
 * Creates a material for the given namespaces
 *
 * @param namespace a single namespace, or a hierarchy of namespaces (ex: `["parent", "child"]`)
 * @param options options used to construct the material
 * @returns a new material
 */
export declare function createMaterial(namespace: string | string[] | [Hct, string], options?: MaterialOptions): NamespaceResult;
/**
 * Wrap a color with some utility functions to make it easier to work with. See `NamespaceResult`
 */
export declare function colorToNamespace(color: Hct, options?: MaterialOptions): NamespaceResult;
export {};