size := uint64(4)
	width := 1024
	capWidth := 2048

	bufPool := NewBytePoolCap(size, width, capWidth)

	// Check the width
	if bufPool.Width() != width {
		t.Fatalf("bytepool width invalid: got %v want %v", bufPool.Width(), width)
	}

	// Check with width cap
	if bufPool.WidthCap() != capWidth {
		t.Fatalf("bytepool capWidth invalid: got %v want %v", bufPool.WidthCap(), capWidth)
	}

func NewBytePoolCap(maxSize uint64, width int, capwidth int) (bp *BytePoolCap) {
	if capwidth > 0 && capwidth < 64 {
		panic("buffer capped with smaller than 64 bytes is not supported")
	}
	if capwidth > 0 && width > capwidth {
		panic("buffer length cannot be > capacity of the buffer")
	}
	return &BytePoolCap{
		c:    make(chan []byte, maxSize),
		w:    width,
		wcap: capwidth,
	}
}

        if (content == null) {
            return StringUtil.EMPTY; // empty
        }

        String subContent;
        if (content.length() < maxWidth * 2) {
            subContent = content;
        } else {
            subContent = content.substring(0, maxWidth * 2);
        }

        final int[] spaceChars = getSpaceChars();