code: public void setCognitoIdentityProviders(java.util.Collection<CognitoIdentityProvider> cognitoIdentityProviders) {
          if (cognitoIdentityProviders == null) {
              this.cognitoIdentityProviders = null;
              return;
          }
  
          this.cognitoIdentityProviders = new java.util.ArrayList<CognitoIdentityProvider>(cognitoIdentityProviders);
      }
docs: <p>
  A list representing an Amazon Cognito user pool and its client ID.
  </p>
  
  @param cognitoIdentityProviders
  A list representing an Amazon Cognito user pool and its client ID.