Constants like PLAN_SECURITY_TO_EQUITY_COMPENSATION_MAP, PLAN_SECURITY_OBJECT_TYPE_MAP, LEGACY_OBJECT_TYPE_MAP support migrations from older Plan Security naming. Helpers:** isPlanSecurityEntityType, isPlanSecurityObjectType, isLegacyObjectType, normalizeEntityType, normalizeObjectType, deepNormalizeNumericStrings, normalizeOcfData.
Reference
Utils — plan security aliases
Legacy TX_PLAN_SECURITY object types and entity aliases normalized to equity-compensation types for Canton extraction and replication diffs.