import type { Properties as CSSProperties } from 'csstype';
import type { PartialDeep } from '@arwes/tools';
export type ThemeSettingsMultiplierFunction = (index: number) => number;
export type ThemeSettingsMultiplier = number | number[] | ThemeSettingsMultiplierFunction;
export type ThemeSettingsUnitFunction = (index: number) => string;
export type ThemeSettingsUnit = string[] | ThemeSettingsUnitFunction;
export type ThemeSettingsColorNames = 'hsl' | 'rgb' | 'lch' | 'hwb';
export type ThemeSettingsColorSeries = Array<string | [number, number, number, number?]>;
export type ThemeSettingsColorFunction = (index: number) => [number, number, number, number?] | string;
export type ThemeSettingsColor = ThemeSettingsColorSeries | ThemeSettingsColorFunction | {
    color: ThemeSettingsColorNames;
    list?: ThemeSettingsColorSeries;
    create?: ThemeSettingsColorFunction;
};
export type ThemeSettingsStyle = ThemeStyleValue[];
export interface ThemeSettingsBreakpointsKeyListItem<Keys extends string = string> {
    key: Keys;
    value: string;
}
export type ThemeSettingsBreakpoints<Keys extends string = string> = Array<ThemeSettingsBreakpointsKeyListItem<Keys>>;
export type ThemeMultiplier = (index: number) => number;
export type ThemeUnit = (index: number | string | Array<number | string>) => string;
export interface ThemeColorOptions {
    alpha?: number;
}
export type ThemeColor = (index: number, options?: ThemeColorOptions) => string;
export type ThemeStyleValue = CSSProperties;
export type ThemeStyle = (index: number) => ThemeStyleValue;
export interface ThemeBreakpoints<Keys extends string = string> {
    breakpoints: Keys[];
    settings: ThemeSettingsBreakpoints<Keys>;
    up: (key: Keys | (string & {}), opts?: {
        strip?: boolean;
    }) => string;
    down: (key: Keys | (string & {}), opts?: {
        strip?: boolean;
    }) => string;
    between: (startKey: Keys | (string & {}), endKey: Keys | (string & {}), opts?: {
        strip?: boolean;
    }) => string;
}
export interface ThemeCreatorStructure {
    [key: string]: 'multiplier' | 'unit' | 'color' | 'style' | 'breakpoints' | 'other' | ThemeCreatorStructure;
}
export type ThemeCreator<ThemeSettings, Theme> = (themeSettingsExtensions?: PartialDeep<ThemeSettings> | Array<PartialDeep<ThemeSettings> | undefined> | undefined) => Theme;