How to use the n8n-workflow.NodeHelpers.mergeIssues function in n8n-workflow

}
				} else {
					// Node type is known

					// Add potential parameter issues
					if (!ignoreIssues.includes('parameters')) {
						nodeIssues = NodeHelpers.getNodeParametersIssues(nodeType.properties, node);
					}

					if (!ignoreIssues.includes('credentials')) {
						// Add potential credential issues
						const nodeCredentialIssues = this.getNodeCredentialIssues(node, nodeType);
						if (nodeIssues === null) {
							nodeIssues = nodeCredentialIssues;
						} else {
							NodeHelpers.mergeIssues(nodeIssues, nodeCredentialIssues);
						}
					}
				}

				if (this.hasNodeExecutionIssues(node) === true && !ignoreIssues.includes('execution')) {
					if (nodeIssues === null) {
						nodeIssues = {};
					}
					nodeIssues.execution = true;
				}

				return nodeIssues;
			},