/** Text direction for this block's content ("ltr" for left-to-right, "rtl" for right-to-left). */
export declare const BlockMetadataTextDirection: {
    readonly Ltr: "ltr";
    readonly Rtl: "rtl";
};
export type BlockMetadataTextDirection = (typeof BlockMetadataTextDirection)[keyof typeof BlockMetadataTextDirection] | string;