static Field getFixedField(int size) {
		switch (size) {
			case 1:
				return new ByteField();
			case 4:
				return new IntField();
			case 8:
				return new LongField();
			case 10:
				return new FixedField10();
		}
		throw new IllegalArgumentException("Unsupported fixed-field length: " + size);
	}
Get a fixed-length field of the specified size
@param size fixed-field length (supported sizes: 1, 4, 8, 10)
@return fixed field instance
@throws IllegalArgumentException if unsupported fixed field length
Ghidra/Framework/DB/src/main/java/db/Field.java