static byte getFixedType(int fixedLength) {
		if (fixedLength == 10) {
			return FIXED_10_TYPE;
		}
		throw new IllegalArgumentException(
			"Unsupported fixed-length binary type size: " + fixedLength);
	}
Get the type index value of the FixedField type which corresponds
to the specified fixed-length;
@param fixedLength fixed length (currently only 10 is supported)
@return FixedLength field type index
@throws IllegalArgumentException if unsupported fixedLength is specified
Ghidra/Framework/DB/src/main/java/db/Field.java