post:  tags:    - pet  summary: uploads an image  operationId: uploadFile  parameters:    - name: petId      in: path      description: ID of pet to update      required: true      schema:        type: integer        format: int64  requestBody:    content:      multipart/form-data:        schema:          properties:            additionalMetadata:              type: string              description: Additional data to pass to server            file:              type: string              description: file to upload              format: binary