public UpdateBackendAuthOAuthConfig withRedirectSignInURIs(String... redirectSignInURIs) {
        if (this.redirectSignInURIs == null) {
            setRedirectSignInURIs(new java.util.ArrayList<String>(redirectSignInURIs.length));
        }
        for (String ele : redirectSignInURIs) {
            this.redirectSignInURIs.add(ele);
        }
        return this;
    }
<p>
Redirect URLs that OAuth uses when a user signs in to an Amplify app.
</p>
<p>
<b>NOTE:</b> This method appends the values to the existing list (if any). Use
{@link #setRedirectSignInURIs(java.util.Collection)} or {@link #withRedirectSignInURIs(java.util.Collection)} if
you want to override the existing values.
</p>

@param redirectSignInURIs
       Redirect URLs that OAuth uses when a user signs in to an Amplify app.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-amplifybackend/src/main/java/com/amazonaws/services/amplifybackend/model/UpdateBackendAuthOAuthConfig.java