public String getUsernamePrefix() {
        return this.usernamePrefix;
    }
<p>
The prefix that is prepended to username claims to prevent clashes with existing names. The prefix can't contain
<code>system:</code>
</p>

@return The prefix that is prepended to username claims to prevent clashes with existing names. The prefix can't
        contain <code>system:</code>
aws-java-sdk-eks/src/main/java/com/amazonaws/services/eks/model/OidcIdentityProviderConfig.java