public Item pcAndIndexToLocal(int pc, int index) {
    int sz = size();

    for (int i = 0; i < sz; i++) {
      Item one = (Item) get0(i);

      if ((one != null) && one.matchesPcAndIndex(pc, index)) {
        return one;
      }
    }

    return null;
  }
Gets the local variable information associated with a given address and local index, if any.
<b>Note:</b> In standard classfiles, a variable's start point is listed as the address of the
instruction <i>just past</i> the one that sets the variable.

@param pc {@code >= 0;} the address to look up
@param index {@code >= 0;} the local variable index
@return {@code null-ok;} the associated local variable information, or {@code null} if none is
    known
android/android_framework/dex-maker/src/main/java/com/android/dx/cf/code/LocalVariableList.java