import { ColorWithStates } from '../../../../interfaces/general/colors';
import { Adaptive } from '../../../../interfaces/general/tools';
import { CustomMediaByViewportUnion } from '../../../../interfaces/general/tools/customMedia';
import { ViewportsTuple } from '../../../../interfaces/general/tools/viewports';
export declare function isString(token: any, key: string): token is string;
export declare function isColor(token: any): token is ColorWithStates;
export declare function isGroupToken(token: any): token is Record<string, any>;
export declare function isAdaptiveFlatToken(token: any): token is Adaptive<any>;
export declare function isCustomMediaToken(key: any): key is CustomMediaByViewportUnion<ViewportsTuple>;