public Account withSigninDelegateGroups(SigninDelegateGroup... signinDelegateGroups) {
        if (this.signinDelegateGroups == null) {
            setSigninDelegateGroups(new java.util.ArrayList<SigninDelegateGroup>(signinDelegateGroups.length));
        }
        for (SigninDelegateGroup ele : signinDelegateGroups) {
            this.signinDelegateGroups.add(ele);
        }
        return this;
    }
<p>
The sign-in delegate groups associated with the account.
</p>
<p>
<b>NOTE:</b> This method appends the values to the existing list (if any). Use
{@link #setSigninDelegateGroups(java.util.Collection)} or {@link #withSigninDelegateGroups(java.util.Collection)}
if you want to override the existing values.
</p>

@param signinDelegateGroups
       The sign-in delegate groups associated with the account.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-chime/src/main/java/com/amazonaws/services/chime/model/Account.java