@Override
	public DataType toDataType() throws DuplicateNameException, IOException {
		Structure structure = new StructureDataType("ext4_extent_header", 0);
		structure.add(WORD, "eh_magic", null);
		structure.add(WORD, "eh_entries", null);
		structure.add(WORD, "eh_max", null);
		structure.add(WORD, "eh_depth", null);
		structure.add(DWORD, "eh_generation", null);
		return structure;
	}
Read a Ext4ExtentHeader from the stream.

@param reader BinaryReader to read from
@return new Ext4ExtentHeader instance, or null if eof or no magic value
@throws IOException if error
Ghidra/Features/FileFormats/src/main/java/ghidra/file/formats/ext4/Ext4ExtentHeader.java