angular 14.2 (and typescript 4.8.x) - schema-validator.service.ts (and ngx-charts)

[PhilFlash]

I try to update ngx-charts for angular 14.2 (and typescript 4.8.4).
When I compile ngx-charts, I have an error with ngx-ui:

Error: node_modules/@swimlane/ngx-ui/lib/components/json-editor/schema-validator.service.d.ts:4:10 - error TS2702: 'Ajv' only refers to a type, 
but is being used as a namespace here.
4     ajv: Ajv.Ajv;

If i patch node_modules@swimlane\ngx-ui\lib\components\json-editor\schema-validator.service.d.ts with:
BEFORE: export declare class SchemaValidatorService { ajv: Ajv.Ajv;
AFTER: export declare class SchemaValidatorService { ajv: Ajv;
all is ok.

With this error, it is not possible to post a pull request for ngx-charts for angular 14.2.

Is-it possible to change the code for ngx-ui/projects/swimlane/ngx-ui/src/lib/components/json-editor/schema-validator.service.ts
like this (for all typescript version) => declare variable with constructor
BEFORE:

export class SchemaValidatorService {
  ajv: Ajv.Ajv;

  constructor() {
    this.ajv = new Ajv({
      allErrors: true
    });
    this.ajv.addFormat('password', '.*');
    this.ajv.addFormat('code', '.*');
    this.ajv.addFormat('binary', '.*');
  }

AFTER:

export class SchemaValidatorService {
  ajv = new Ajv({
      allErrors: true
    });

  constructor() {
    this.ajv.addFormat('password', '.*');
    this.ajv.addFormat('code', '.*');
    this.ajv.addFormat('binary', '.*');
  }

Philippe