notes.md

        - $ref: '#/components/schemas/ResponseBase'
        - type: object
          properties:
            data:
              type: array
              items:
                $ref: '#/components/schemas/EmbeddingResponseData'

The $ref, under items had a - before

Building

• Using "--skip-validate-spec" it generated code, without it, didn't work

docker run --rm \
-v "${PWD}:/local" \
openapitools/openapi-generator-cli generate \
-i /local/a.yaml \
-g dart \
--skip-validate-spec -o /local/a/dart --additional-properties=pubName=openapi
cd ./a/dart