Internal Optional colorHex value representing the color for the text within the node.
Optional fillIt sets the opacity level of the background fill color. Allowed values: any number between 0.0 and 1.0 included. If the value is 0.0, the background fill color is completely transparent or invisible. If the value is 1.0, the background fill color is completely opaque or solid. Default: 0 (transparent)
Optional fontDefines the font size, in dp, for the text on the node. Default: 14.
Contains information about the node style, such as the node color or fillOpacity.