@Override
	public DataType getContentsDataType() {
		StructureDataType struct = new StructureDataType(new CategoryPath(PATH), getName(), 0);
		struct.add(BYTE, "FIELD", "Magic (0x06)");
		struct.add(type.getDefinitionDataType(), type.getType().baseTypeCode.toString(), null);
		return struct;
	}
Checks whether this could *possibly* be a FieldSig. Only looks at the identifier byte. Useful for signature index
that could be to different kinds of signatures.
@param blob
@return
@throws IOException
Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/pe/cli/blobs/CliSigField.java