import { Adapter } from '@mui/x-scheduler-internals/use-adapter';
import { TemporalSupportedObject } from '@mui/x-scheduler-internals/models';
/**
 * Computes the ordinal for a MONTHLY BYDAY rule for a given date.
 * @returns {number} - The ordinal: -1 for last, otherwise 1..5.
 */
export declare function computeMonthlyOrdinal(adapter: Adapter, date: TemporalSupportedObject): number;