Cache messages from a batch upload and output collected messages as a single message.
time_input: Name of input used for timestamps.
batch_pos_input: Name of input used for batch info.
batch_pos_start: Keyword for batch start.
batch_pos_end: Keyword for batch end.
time_window: Relative window in seconds for caching messages.
compressed_output: Compress output messages.
nested_map_inputs: List of inputs with nested maps.
logging_level: Set logging level to info, warning, error or debug.
User defined via GUI.
cached_data: Collected messages (JSON).