Id": {       "base": null,       "refs": {         "AcceptPortfolioShareInput$PortfolioId": "<p>The portfolio identifier.</p>",         "AssociatePrincipalWithPortfolioInput$PortfolioId": "<p>The portfolio identifier.</p>",         "AssociateProductWithPortfolioInput$ProductId": "<p>The product identifier.</p>",         "AssociateProductWithPortfolioInput$PortfolioId": "<p>The portfolio identifier.</p>",         "AssociateProductWithPortfolioInput$