LastUpdated schema from Amazon OpenSearch Service API
{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$id": "https://raw.githubusercontent.com/api-evangelist/amazon-opensearch/refs/heads/main/json-schema/openapi-last-updated-schema.json", "title": "LastUpdated", "description": "LastUpdated schema from Amazon OpenSearch Service API", "type": "string", "format": "date-time" }