docs: public synchronized Interactable getInteractableAt(TerminalPosition position) {
          if (position.getRow() < 0 || position.getColumn() < 0) {
              return null;
          }
          if(position.getRow() >= lookupMap.length) {
              return null;
          }
          else if(position.getColumn() >= lookupMap[0].length) {
              return null;
          }
          else if(lookupMap[position.getRow()][position.getColumn()] == -1) {
              return null;
          }
          return interactables.get(lookupMap[position.getRow()][position.getColumn()]);
      }