def METHOD_NAME(self) -> bytes:
    """Reads 4 bytes and increases cursor"""
    if self.cursor + 4 > self.length_input:
        raise ValueError(
            "BMA Layer NRL Compressor: Reached EOF while reading data."
        )
    oc = self.cursor
    self.cursor += 4
    return read_bytes(self.uncompressed_data, oc, 4)