1. DomName('SVGTextContentElement.getComputedTextLength')
  2. DocsEditable()
num getComputedTextLength()

Source 

@DomName('SVGTextContentElement.getComputedTextLength')
@DocsEditable()
num getComputedTextLength() => _blink.BlinkSVGTextContentElement.instance.getComputedTextLength_Callback_0_(this);