components:
  schemas:
    response.Placeholder:
      x-go-embedding: true
      type: object
      allOf:
        - $ref: "#/components/schemas/Response"
        - type: object
          properties:
            hello:
              type: string
            past_7_days_histogram:
              type: array
              x-go-type-skip-optional-pointer: true
              nullable: true
              items:
                allOf:
                  - $ref: '#/components/schemas/DateHistogram'

    DateHistogram:
      type: object
      properties:
        key:
          type: string
        key_as_string:
          type: string
          nullable: true
        doc_count:
          type: integer

type ResponsePlaceholder struct {
	Hello              *string          `json:"hello,omitempty"`
	Past7DaysHistogram []*DateHistogram `json:"past_7_days_histogram"`
}