• m_alternate_output : ezlogger
• m_code : ext_data
• m_facility : ext_data
• m_levels_format_usage : ezlogger
• m_pretty_function : ext_data
• m_severity_level : ext_data
• m_src_file_name : ezlogger
• m_src_function_name : ezlogger
• m_src_line_num : ezlogger
• m_tag : ext_data
• m_verbosity_level : ezlogger, levels

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