@JsonProperty("realmCertificateString")
    public String getRealmCertificateString() {
        return realmCertificateString;
    }
Keycloak realm certificate
<p>
To validate OAuth requests. Must be a PEM-encoded X.509 certificate, including bounding strings.

@return The realmCertificateString
plugins/keycloak-oauth-policy/src/main/java/io/apiman/plugins/keycloak_oauth_policy/beans/KeycloakOauthConfigBean.java