Parsing for Complex Type Metadata

[Jeongyong-park]

Is your feature request related to a problem? Please describe.
Complex metadata structure parser

Describe the solution you'd like
A solution that parses when complex metadata in horizontal and vertical directions coexists

Describe alternatives you've considered
A clear and concise description of any alternative solutions or features you've considered.

Additional context
Add any other context or screenshots about the feature request here.

Example_Complex_Metadata.xls

[leanton]

@Jeongyong-park not sure this is still relevant to you, but...

Could you not parse vertical metadata as a table?