{"required": ["addr"], "type": "object", "properties": {"delimiter": {"default": "\r\n", "type": "string"}, "read_buf_size": {"default": 1, "minimum": 1, "type": "integer", "maximum": 100}, "addr": {"pattern": "^[0-9a-zA-Z_.-]+:[0-9]{1,5}$", "type": "string"}}}