Ensures the the buffer has at least the requiredRemaining space specified.
<p>
The internal buffer will be doubled if the requested capacity is less than that
amount or the buffer will be expanded to the full new requiredRemaining value.
@param requiredRemaining
the minimum remaining bytes needed to meet the next write operation.
Ensures the the buffer has at least the requiredRemaining space specified. <p> The internal buffer will be doubled if the requested capacity is less than that amount or the buffer will be expanded to the full new requiredRemaining value.
@param requiredRemaining the minimum remaining bytes needed to meet the next write operation.