PdfXmpMetadata
constructor(title: String? = null, authors: List<String> = emptyList(), description: String? = null, keywords: String? = null, subjects: List<String> = emptyList(), producer: String? = null, creatorTool: String? = null, createDate: String? = null, modifyDate: String? = null, metadataDate: String? = null, pdfVersion: String? = null, xml: String)