Optionaloptions: IRunStylePropertiesOptionsAdds a child element to this component.
The child component or text string to add
This component (for chaining)
Prepares this component and its children for XML serialization.
This method is called by the Formatter to convert the component tree into an object structure compatible with the xml library (https://www.npmjs.com/package/xml). It recursively processes all children and handles special cases like attribute-only elements and empty elements.
The method can be overridden by subclasses to customize XML representation or execute side effects during serialization (e.g., creating relationships).
The serialization context containing document state
The XML-serializable object, or undefined to exclude from output
Represents default run properties in a WordprocessingML document.
This element defines the default text run formatting properties that apply to all text runs in the document unless overridden by styles or direct formatting.
Reference: http://officeopenxml.com/WPstyles.php
XSD Schema
Example