/**
 * Module for defining a `Schema` interface for use by other modules
 * in this repository e.g. generation of `*.json.schema` files by `./schema.ts`.
 */
import { JSONSchema7 } from 'json-schema';
/**
 * Interface for Stencila `Schema` instances.
 *
 * The `Schema` interface extends JSON Schema
 * with additional properties for:
 *
 *   - defining inheritance,
 *   - defining property aliases
 *   - specifying codecs used in coercion
 *   - categorizing node types
 *
 * For more details see the guidelines for authoring schemas.
 */
export default interface Schema extends JSONSchema7 {
    /**
     * The id for the type or property schema to be used
     * when generating JSON-LD.
     */
    '@id'?: string;
    /**
     * The role that this schema has.
     */
    role?: 'base' | 'primary' | 'secondary' | 'tertiary';
    /**
     * The current status of this schema.
     */
    status?: 'experimental' | 'unstable' | 'stable';
    /**
     * The category of node that this schema belongs to.
     */
    category?: string;
    /**
     * The schema that this schema extends.
     */
    extends?: string;
    /**
     * The names of the child (direct descendants) schemas of this schema.
     * Added during schema processing.
     */
    children?: string[];
    /**
     * The descendant schemas of this schema.
     * Added during schema processing.
     */
    descendants?: string[];
    /**
     * The schema from which this property schema was inherited.
     * Only applies when used in a property of another schema.
     * Added during schema processing.
     */
    from?: string;
    /**
     * Is this property schema an override of a property inherited
     * from an ancestor. Examples of overrides include making an
     * optional property required, or changing the schema of the property.
     */
    override?: boolean;
    /**
     * Aliases for this property schema.
     * Only applies when used in a property of another schema.
     */
    aliases?: string[];
    /**
     * A map of property aliases.
     * Added during schema processing based on the `aliases`
     * of properties.
     */
    propertyAliases?: {
        [key: string]: string;
    };
    /**
     * The name of a Encoda codec that can be used to decode
     * values for this schema.
     */
    codec?: string;
    /**
     * The file in which this schema is defined.
     * Added during schema processing.
     */
    file?: string;
    /**
     * The source file for this schema. A URL that can be used to
     * provide a link to view or edit the source.
     */
    source?: string;
    properties?: {
        [key: string]: Schema;
    };
    allOf?: Schema[];
    anyOf?: Schema[];
    items?: Schema[];
    enum?: (string | number)[];
}