farm-2.x-dev/modules/core/data_stream/config/schema/data_stream.schema.yml

# Schema for the configuration files of the data_stream module.
data_stream.type.*:
  type: config_entity
  label: 'Data stream type'
  mapping:
    id:
      type: string
      label: 'Machine-readable name'
    label:
      type: label
      label: 'Type'
    description:
      type: text
      label: 'Description'