# File lib/mime/types.rb, line 682 def add(*types) types.each do |mime_type| if @type_variants.include?(mime_type.simplified) if @type_variants[mime_type.simplified].include?(mime_type) warn "Type #{mime_type} already registered as a variant of #{mime_type.simplified}." end end add_type_variant(mime_type) index_extensions(mime_type) end end