export type Neo4jTemporalType = "date" | "datetime";
/**
 * Normalize a value for Neo4j's date() or datetime() constructor.
 *
 * Returns:
 *   type='date'     → "YYYY-MM-DD"                   (time stripped)
 *   type='datetime' → "YYYY-MM-DDTHH:mm:ss.sssZ"     (canonical ISO 8601 UTC)
 *   null            → null                           (Cypher caller MUST branch
 *                                                      with CASE WHEN IS NULL)
 *   undefined       → undefined                      (field not being written)
 *
 * Accepts:
 *   Date                            — valid JS Date
 *   "YYYY-MM-DD"                    — date-only string
 *   "YYYY-MM-DDTHH:mm:ss[.sss][Z]"  — ISO datetime (with or without ms/tz)
 *
 * Throws BadRequestException on NaN Date, unknown string shape, wrong type.
 *
 * UTC is used throughout — calendar dates must not drift across timezones.
 * Use at the repository boundary together with `date(left($v, 10))` (calendar
 * dates) or `datetime($v)` (point-in-time) in Cypher.
 */
export declare function normalizeNeo4jTemporal(value: Date | string | null | undefined, type: Neo4jTemporalType): string | null | undefined;
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