import { type DataRecordValue, type MatchRuleExists } from '@overture-stack/lectern-dictionary';
/**
 * Test if the value exists, ie. that it is not undefined or an empty array. When the rule is true, this will
 * return true when the value exists, and when the rule is false this will return true only when the value does
 * not exist.
 *
 * Notes:
 *   - Boolean value `false` is an existing value
 *   - Empty strings represent a missing value, so empty string value is not teated as an existing value
 */
export declare const testMatchExists: (exists: MatchRuleExists, value: DataRecordValue) => boolean;