$schema: https://json-schema.org/draft/2020-12/schema
title: Namespace prefix declaration
description: 'Declares a preferred namespace prefix and the URI it expands to, following
  the VANN vocabulary

  (`vann:preferredNamespacePrefix` / `vann:preferredNamespaceUri`).

  '
type: object
required:
- prefix
- uri
properties:
  prefix:
    type: string
    pattern: ^[a-zA-Z][a-zA-Z0-9_-]*$
    x-jsonld-id: http://purl.org/vocab/vann/preferredNamespacePrefix
  uri:
    type: string
    format: uri
    x-jsonld-id: http://purl.org/vocab/vann/preferredNamespaceUri
additionalProperties: false
x-jsonld-prefixes:
  vann: http://purl.org/vocab/vann/