Read options from the reader's source and place them in the options parameter. Options without a declared name may be treated as if they were declared with type ParameterType.Mixed. Options which have been declared must be converted to the correct type. As an alternative to doing this conversion in the reader, the reader may use Options.setValue, which will correctly convert values.
the options container that provides declarations
logger to be used to report errors
ReadonlynameThe name of this reader so that it may be removed by plugins without the plugin accessing the instance performing the read. Multiple readers may have the same name.
ReadonlyorderReaders will be processed according to their orders. A higher order indicates that the reader should be called later.
Note that to preserve expected behavior, the argv reader must have both the lowest order so that it may set the location of config files used by other readers and the highest order so that it can override settings from lower order readers.
ReadonlysupportsFlag to indicate that this reader should be included in sub-options objects created to read options for packages mode.
Obtains option values from command-line arguments