import { type TextTier } from "@/lib/constants/email-editor-tiptap-styles";
/**
 * The font size and line spacing a block of `tier` renders at while it sets
 * nothing of its own — the document base, then the tier preset.
 *
 * The block-level inputs show this as an editable placeholder: a real number the
 * author can see and type over, that keeps tracking the document base until they
 * do. Reading the document atoms here (rather than taking them as props) keeps
 * every form in step with the Email styles panel without threading the values
 * through four component trees.
 *
 * @see resolveInheritedTypography for how the cascade is resolved.
 */
export declare function useInheritedTypography({ tier, isQuote, }: {
    tier: TextTier;
    isQuote?: boolean;
}): {
    fontSize: number;
    lineHeight: number;
};