Creates a new buffer which wraps the specified buffer's readable bytes.
A modification on the specified buffer's content will be visible to the
returned buffer.
@param buffer The buffer to wrap. Reference count ownership of this variable is transferred to this method.
@return The readable portion of the {@code buffer}, or an empty buffer if there is no readable portion.
The caller is responsible for releasing this buffer.
Creates a new buffer which wraps the specified buffer's readable bytes. A modification on the specified buffer's content will be visible to the returned buffer. @param buffer The buffer to wrap. Reference count ownership of this variable is transferred to this method. @return The readable portion of the {@code buffer}, or an empty buffer if there is no readable portion. The caller is responsible for releasing this buffer.