code: private static ClassNode[] parseOption(final String option, final SourceUnit sourceUnit, final CompilationUnit compilationUnit, final MethodNode mn, final ASTNode usage) {
          return GenericsUtils.parseClassNodesFromString(option, sourceUnit, compilationUnit, mn, usage);
      }
docs: Parses a string representing a type, that must be aligned with the current context.
  For example, <i>"List&lt;T&gt;"</i> must be converted into the appropriate ClassNode
  for which <i>T</i> matches the appropriate placeholder.
  
  
  @param option a string representing a type
  @param sourceUnit the source unit (of the file being compiled)
  @param compilationUnit the compilation unit (of the file being compiled)
  @param mn the method node
  @param usage
  @return a class node if it could be parsed and resolved, null otherwise