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"`
}