Cannot user file reference in $ref property

[fetis]

This code

    HireloopFeedPresentation:
      $ref: "../node_modules/@sr/rpo-core-spec/openapi.json#/components/schemas/HireloopFeedPresentation"

brings the next JS error

const isRef = obj => typeof obj.$ref === 'string'
                                ^
TypeError: Cannot read properties of undefined (reading '$ref')
    at isRef (/xxx/server-app/node_modules/@smartrecruiters/openapi-first/lib/utils/ref-resolver.js:3:33)