export declare const ANCHOR_VARIABLE_NAME = "--ed-pm-node-anchor";
export declare const isCSSAttrAnchorSupported: import("memoize-one").MemoizedFn<() => boolean>;
export declare const isCSSAnchorSupported: import("memoize-one").MemoizedFn<() => boolean | undefined>;
export declare const nativeAnchorStyles: import("@emotion/utils").SerializedStyles;
