monaco.languages.registerCodeLensProvider('json', {
    provideCodeLenses: async function (model, token) {
      const getWorker = await monaco.languages.json.getWorker();
      const worker = await getWorker(model.uri.toString());
      const schema = await worker.getMatchingSchemas(model.uri.toString());
      return {
        lenses: schema
          .filter((item) => item.schema.format === 'ipv4')
          .map((schemaItem) => {
            const start = model.getPositionAt(schemaItem.node.parent.offset);
            const end = model.getPositionAt(
              schemaItem.node.parent.offset + schemaItem.node.parent.length
            );
            return {
              range: {
                startLineNumber: start.lineNumber,
                startColumn: start.column,
                endLineNumber: end.lineNumber,
                endColumn: end.column,
              },
              id: 'First Line',
              command: {
                id: commandId,
                title: 'Select VM',
              },
            };
          }),
        dispose: () => {},
      };
    },
    resolveCodeLens: function (model, codeLens, token) {
      return codeLens;
    },
});