dart:async current property    T current  The current value of the stream. When a moveNext call completes with true, the current field holds the most recent event of the stream, and it stays like that until the next call to moveNext. This value must only be read after a call to moveNext has completed with true, and only until the moveNext is called again. If the StreamIterator has not yet been moved to the first element (moveNext has not been called and completed yet), or if the StreamIterator has been moved past the last element (moveNext has returned false), then current is unspecified. A StreamIterator may either throw or return an iterator-specific default value in that case. Implementation T get current;

    
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