import { EventSequenceId } from '../../eventSequences/EventSequenceId.js';
/** An event sequence a constraint can be scoped to, by identifier or by its string value. */
export type ConstraintEventSequence = EventSequenceId | string;
/**
 * Normalizes declared event sequences to distinct, nonblank identifier values in declaration order.
 * @param eventSequences - The declared event sequences.
 * @returns The normalized identifier values.
 */
export declare function normalizeConstraintEventSequences(eventSequences: readonly ConstraintEventSequence[]): string[];
/**
 * Combines the event sequences declared for one constraint in more than one place.
 * An empty declaration means every event sequence and wins: combining never narrows a constraint that
 * one declaration applies everywhere. Otherwise the result is the distinct union in declaration order.
 * Mirrors ConstraintEventSequences.Combine in the .NET client.
 * @param declarations - The declarations to combine; undefined or empty means every event sequence.
 * @returns The combined declaration, empty for every event sequence.
 */
export declare function combineConstraintEventSequences(declarations: ReadonlyArray<readonly string[] | undefined>): string[];
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