\ProvidesFile{iso-numeric.dbx}[2016/05/13 v0.3.1 biblatex data model extension]
\RequireBiber[3]
\DeclareDatamodelFields[type=list,datatype=name]{supervisor}
\DeclareDatamodelFields[type=field,datatype=literal]{classification}
\DeclareDatamodelEntryfields[thesis]{supervisor}
\DeclareDatamodelEntryfields[patent]{classification}