import type { Parity } from '@ya-modbus/driver-types';
/**
 * Parses a comma-separated list of parity values into a sorted array of unique parities.
 *
 * @param spec - Parity specification string (e.g., "none,even,odd")
 * @returns Sorted array of unique parity values in standard order (none, even, odd)
 *
 * @example
 * parseParity("none,even") // ["none", "even"]
 * parseParity("odd,none") // ["none", "odd"]
 * parseParity("even,even") // ["even"]
 */
export declare function parseParity(spec: string): Parity[];
/**
 * Sorts parities in standard order (none, even, odd)
 */
export declare function sortParitiesInStandardOrder(parities: Parity[]): Parity[];
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