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packages/@n8n/nodes-langchain/nodes/Guardrails/Guardrails.node.ts

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+import {
+	VersionedNodeType,
+	type INodeTypeBaseDescription,
+	type IVersionedNodeType,
+} from 'n8n-workflow';
+
+import { GuardrailsV1 } from './v1/GuardrailsV1.node';
+import { GuardrailsV2 } from './v2/GuardrailsV2.node';
+
+export class Guardrails extends VersionedNodeType {
+	constructor() {
+		const baseDescription: INodeTypeBaseDescription = {
+			displayName: 'Guardrails',
+			name: 'guardrails',
+			icon: 'file:guardrails.svg',
+			group: ['transform'],
+			defaultVersion: 2,
+			description:
+				'Safeguard AI models from malicious input or prevent them from generating undesirable responses',
+			codex: {
+				alias: ['LangChain', 'Guardrails', 'PII', 'Secret', 'Injection', 'Sanitize'],
+				categories: ['AI'],
+				subcategories: {
+					AI: ['Agents', 'Miscellaneous', 'Root Nodes'],
+				},
+				resources: {
+					primaryDocumentation: [
+						{
+							url: 'https://docs.n8n.io/integrations/builtin/core-nodes/n8n-nodes-langchain.guardrails/',
+						},
+					],
+				},
+			},
+		};
+
+		const nodeVersions: IVersionedNodeType['nodeVersions'] = {
+			1: new GuardrailsV1(baseDescription),
+			2: new GuardrailsV2(baseDescription),
+		};
+
+		super(nodeVersions, baseDescription);
+	}
+}