Constant jpegxl_sys::JpegxlSignatureType_JPEGXL_SIG_TYPE_JPEG

pub const JpegxlSignatureType_JPEGXL_SIG_TYPE_JPEG: JpegxlSignatureType = 2;

JPEG codestream, which would preferably also be decoded using this decoder in case the codestream contains JPEG XL extensions (marker segments).