true when the structural state suggests attempting a full parse:
either the stream is finished (so errors must surface), or all brackets are closed, no string is open, and the trailing byte cannot extend a root-level number token.
JsonStreamParser._plausiblyComplete
private
bool _plausiblyComplete(bool finishedInput) const @safeDecides whether the buffered input could contain a complete root value.
Parameters
finishedInput | Whether finish has been called. |