@Override
    public AbstractPngText getContents() {
        return new AbstractPngText.Text(keyword, text);
    }
Constructs a new instance.

@param length    chunk length.
@param chunkType chunk type.
@param crc       CRC computed over the chunk type and chunk data (but not the length).
@param bytes     chunk data bytes.
@throws ImagingException Thrown on a parsing error.
@throws NullPointerException if {@code bytes} is null.
src/main/java/org/apache/commons/imaging/formats/png/chunks/PngChunkText.java