import { SchemeName, ThemeName } from '@redux-devtools/ui';
import { StoreAction } from '../actions';
export interface ThemeState {
    readonly theme: ThemeName;
    readonly scheme: SchemeName;
    readonly colorPreference: 'auto' | 'light' | 'dark';
}
export declare function theme(state: ThemeState | undefined, action: StoreAction): ThemeState;
