public void setVariableOffset(int offset) {
		lock.acquire();
		try {
			checkDeleted();
			if (record != null) {
				record.setIntValue(SymbolDatabaseAdapter.SYMBOL_VAROFFSET_COL, offset);
				updateRecord();
				symbolMgr.symbolDataChanged(this);
			}
		}
		finally {
			lock.release();
		}
	}
Sets the symbol's variable offset. For parameters, this is the ordinal, for locals, it is 
the first use offset
@param offset the value to set as the symbols variable offset.
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/symbol/VariableSymbolDB.java