Sets the {@code writerIndex} of this buffer.
@throws IndexOutOfBoundsException if the specified {@code writerIndex} is less than {@code this.readerIndex} or greater than {@code this.capacity}
See Implementation
Sets the {@code writerIndex} of this buffer.
@throws IndexOutOfBoundsException if the specified {@code writerIndex} is less than {@code this.readerIndex} or greater than {@code this.capacity}