num appendWindowStart

Source 

@DomName('SourceBuffer.appendWindowStart')
@DocsEditable()
@Experimental() // untriaged
num get appendWindowStart =>
    _blink.BlinkSourceBuffer.instance.appendWindowStart_Getter_(this);
void appendWindowStart=(num value)

Source 

@DomName('SourceBuffer.appendWindowStart')
@DocsEditable()
@Experimental() // untriaged
set appendWindowStart(num value) =>
    _blink.BlinkSourceBuffer.instance.appendWindowStart_Setter_(this, value);