code: public void setPolicies(java.util.Collection<String> policies) {
          if (policies == null) {
              this.policies = null;
              return;
          }
  
          this.policies = new java.util.ArrayList<String>(policies);
      }
docs: <p>
  A key policy document, in JSON format.
  </p>
  
  @param policies
  A key policy document, in JSON format.