import { ResolvedMode, ThemeVars } from './vars';
export interface ThemeSeed {
    primary?: string;
    success?: string;
    warning?: string;
    error?: string;
    info?: string;
    neutralText?: string;
    neutralBg?: string;
}
export declare const SEED_KEYS: readonly ["primary", "success", "warning", "error", "info", "neutralText", "neutralBg"];
export type SeedKey = (typeof SEED_KEYS)[number];
export declare const DEFAULT_SEEDS: Readonly<Omit<Required<ThemeSeed>, 'info'>>;
export declare const DEFAULT_PRIMARY: string;
export type ResolvedSeeds = Readonly<Required<ThemeSeed>>;
export declare function isHexColor(value: unknown): value is string;
export declare function normalizeSeedColor(value: unknown): string | undefined;
export declare function createSeeds(seed?: ThemeSeed): ResolvedSeeds;
export declare function deriveBrandDarkSurfaces(color: string): {
    background: string;
    deepBackground: string;
};
export interface ColorStates {
    base: string;
    hover: string;
    active: string;
    bg: string;
    border: string;
    solid: string;
}
export declare function derive(seed?: ThemeSeed, mode?: ResolvedMode): ThemeVars;
export declare function deriveColorStates(color: string, mode?: ResolvedMode): ColorStates;
export declare function deriveFocusShadow(color: string, mode?: ResolvedMode): string;
export declare function assertVarContract(vars: ThemeVars): void;