drupal/core/modules/block/config/schema/block.schema.yml

# Schema for the configuration files of the Block module.

block.block.*:
  type: config_entity
  label: 'Block'
  mapping:
    theme:
      type: string
      label: 'Theme'
    region:
      type: string
      label: 'Region'
    weight:
      type: integer
      label: 'Weight'
    provider:
      type: string
      label: 'Provider'
    visibility:
      type: mapping
      label: 'Visibility settings'
      mapping:
        path:
          type: mapping
          label: 'Pages'
          mapping:
            visibility:
              type: integer
              label: 'Visibility'
            pages:
              type: string
              label: 'Show block on specific pages'
        role:
          type: mapping
          label: 'Roles'
          mapping:
            roles:
              type: sequence
              label: 'Show block for specific roles'
              sequence:
                - type: string
                  label: 'Role'
        node_type:
          type: mapping
          label: 'Content types'
          mapping:
            types:
              type: sequence
              label: 'Show block for specific content types'
              sequence:
               - type: string
                 label: 'Node type'
    plugin:
      type: string
      label: 'Plugin'
    settings:
      type: mapping
      label: 'Block settings'
      mapping:
        label:
          type: label
          label: 'Description'
        label_display:
          type: string
          label: 'Display title'
        cache:
          type: mapping
          label: 'Cache settings'
          mapping:
            max_age:
              type: integer
              label: 'Maximum age'
            contexts:
              type: sequence
              label: 'Vary by context'
              sequence:
                - type: string
                  label: 'Context'
        status:
          type: boolean
          label: 'Status'
        info:
          type: label
          label: 'Admin info'
        view_mode:
          type: string
          label: 'View mode'
        provider:
          type: string
          label: 'Provider'