Return the PDOMBinding for the given Qt name creating a new binding if needed.  The
	 * implementation caches the result using the name instance as the key.  This ensures
	 * one-to-one uniqueness between AST names and PDOMBindings.
	 * <p>
	 * This method is not thread-safe.
Return the PDOMBinding for the given Qt name creating a new binding if needed.  The
	 * implementation caches the result using the name instance as the key.  This ensures
	 * one-to-one uniqueness between AST names and PDOMBindings.
	 * <p>
	 * This method is not thread-safe. | QtPDOMLinkage.java