class HexaPDF::Type::OptionalContentGroup::OptionalContentUsage::PageElement

Parent	HexaPDF::Dictionary

The dictionary used as value for the /PageElement key.

See: PDF2.0 s8.11.4.4

Name	Type/Allowed Values	Required	Default Value
Subtype	Symbol One of: :HF, :FG, :BG, :L	true	nil