Parses CLI evalset file arguments of the form file_path or file_path:eval_1,eval_2 into a mapping from file path to requested eval IDs.
file_path
file_path:eval_1,eval_2
Array of evalset file specifications.
Mapping of evalset file path to list of eval case names.
Parses CLI evalset file arguments of the form
file_pathorfile_path:eval_1,eval_2into a mapping from file path to requested eval IDs.