How many category items will the following ImpEx create?

How many category items will the following ImpEx create?

$prodCat=electronicsProductCatalog

$version=Staged

$catVersion=catalogVersion(catalog(id[default=$prodCat]),version[default=$version])

INSERT_UPDATE Category;code[unique=true];$catVersion[unique=true]

;test_category;electronicsProductCatalog

;test_category;apparelProductCatalog:$version

;test_category;:Online

;test_category;