import { SystemStyleObject, ThemeVarsAndBreakpoints } from "./types"; declare type GlobalSystemStyleObject = Record & { /** The **@import** CSS at-rule imports style rules from other style sheets. */ "@import"?: string | string[]; /** The **@font-face** CSS at-rule specifies a custom font with which to display text. */ "@font-face"?: FontFace | FontFace[]; }; declare type GlobalSystemStyleObjectInterpolation = GlobalSystemStyleObject | ((theme: ThemeVarsAndBreakpoints) => GlobalSystemStyleObject); /** Create a `useGlobalStyles` primitive. */ export declare function createGlobalStyles(interpolation: GlobalSystemStyleObjectInterpolation): () => void; export {};