import { type RefObject } from "react";
/** The measurement surface used by responsive composer chrome. */
export type ResponsiveBasis = "viewport" | "container";
export type ComposerResponsiveContextValue = {
    responsiveBasis: ResponsiveBasis;
    rootRef: RefObject<HTMLDivElement | null>;
};
export declare const ComposerResponsiveContext: import("react").Context<ComposerResponsiveContextValue | null>;
export declare function useComposerResponsiveContext(): ComposerResponsiveContextValue | null;