/** The stress type marked by Slot X. */
export type SlotX = "UNF/C" | "UNF/K" | "FRM";
/** A Zod validator matching Slot X stresses. */
export declare const ALL_SLOT_X_STRESSES: readonly SlotX[];
/**
 * Applies Slot X stress to an Ithkuilic word.
 *
 * @param word The word to apply stress to.
 * @param stress The stress type to apply.
 * @returns Romanized Ithkuilic text representing the full formative, including
 *   the stress, marked with an accent mark or circumflex.
 */
export declare function applySlotXStress(word: string, stress: SlotX): string;