quote interface keys if not valid a property name

npm/ng-packs/packages/schematics/src/utils/model.ts

@@ -8,6 +8,7 @@ import {
 } from './generics';
 import { parseNamespace } from './namespace';
 import { relativePathToModel } from './path';
+import { isValidProp } from './prop';
 import { camel } from './text';
 import { parseGenerics } from './tree';
 import {
@@ -134,7 +135,8 @@ export function createImportRefToInterfaceReducerCreator(params: ModelGeneratorP
     genericsCollector.reset();
 
     typeDef.properties?.forEach(prop => {
-      const name = prop.jsonName || camel(prop.name);
+      let name = prop.jsonName || camel(prop.name);
+      name = isValidProp(name) ? name : `'${name}'`;
       const type = simplifyType(prop.typeSimple);
       const refs = parseType(prop.type).reduce(
         (acc: string[], r) => acc.concat(parseGenerics(r).toGenerics()),