@@ -0,0 +1,17 @@
+package org.springframework.security.oauth2.core.endpoint;
+
+/**
+ * Standard parameter names defined in the OpenID Connect Core 1.0
+ * incorporating errata set 1 and used by the authorization endpoint and
+ * token endpoint.
+ *
+ * @author Mark Heckler
+ * @since 5.2
+ * @see <a target="_blank" href="https://openid.net/specs/openid-connect-core-1_0.html#NonceNotes">15.5.2.  Nonce Implementation Notes</a>
+ */
+public interface NonceParameterNames {
+	/**
+	 * {@code nonce} - used in Authentication Request.
+	 */
+	String NONCE = "nonce";
+}
We should remove this interface and add to `OidcParameterNames.NONCE`