code: @Nullable
    public Value getLocalVariable(@Nullable final String name) {
      if (name == null) {
        return null;
      }
  
      final String normalized = assertNotNull(PreprocessorUtils.normalizeVariableName(name));
  
      if (normalized.isEmpty()) {
        return null;
      }
  
      return localVarTable.get(normalized);
    }
docs: Get a local variable value
  
  @param name the name for the variable, it can be null. The name will be normalized to allowed one.
  @return null either if the name is null or the variable is not found, otherwise its value