.add_meta_variables     Add additional meta variable
.build_signature        Build API signature for logging to 'Azure Log
                        Analytics'
.layout_json_custom     Customized logging layout
.post_data              Build and send a request to the POST API of
                        'Azure Log Analytics'
get_log_config          Get configuration value
logger_level            Logging related functions
set_log_config          Set logging configuration
