private boolean sanityCheck(long offset, long existingSize) {

		if (offset < 0) {
			return false; // offsets shouldn't be negative
		}
		if (offset < existingSize) {
			return true; // we have room in the structure
		}
		if (offset > 0x1000) {
			return false; // bigger than existing size; arbitrary cut-off to prevent huge structures
		}
		return true;
	}
Generate a unique Ghidra Class which does not have an existing structure
@return new unique Ghidra Class namespace or null on error
Ghidra/Features/Decompiler/src/main/java/ghidra/app/decompiler/util/FillOutStructureHelper.java