{"text_format":"3","workbook":"xls","n_sheets":1,"sheets":["Sheet1"],"not_rendered":{"external_links":1},"read":"whole","date_system":"1900","formulas":"cached_only"}

{"sheet":"Sheet1","index":0,"n_rows":2,"n_cols":6,"rows_kept":2,"flags":["formulas_cached_only"]}
["Parameter","Human-readable name","Unit","Type","Default value","Description"]
["test_var","Test varialble",null,"string",null,"This is a variable for testing."]