Specifies the available values for PDFStandardLayoutAttribute.setRubyPositionmethod.
The PDFStandardStructureTypes.RUBY_ANNOTATION_TEXT content shall be aligned along the after edge of the element.
The PDFStandardStructureTypes.RUBY_ANNOTATION_TEXT content shall be aligned along the before edge of the element.
The PDFStandardStructureTypes.RUBY_ANNOTATION_TEXT and associated PDFStandardStructureTypes.RUBY_PUNCTUATION elements shall be formatted as a parenthesis comment, following the PDFStandardStructureTypes.RUBY_BASE_TEXT element.
The PDFStandardStructureTypes.RUBY_ANNOTATION_TEXT and associated PDFStandardStructureTypes.RUBY_PUNCTUATION elements shall be formatted as a warichu, following the PDFStandardStructureTypes.RUBY_BASE_TEXT element.