/**
 * A collection of child schemas in a schema.
 */
export declare class GraphSchemaCollection extends BaseCollection<GraphSchema> {
    private constructor();
    /**
     * Gets the schema that owns the collection.
     */
    get schema(): GraphSchema;
    /**
     * Gets the number of schemas in the collection.
     */
    get size(): number;
    /**
     * Creates a subscription for a set of named events.
     */
    subscribe(events: GraphSchemaCollectionEvents): EventSubscription;
    /**
     * Determines whether the collection contains the specified schema.
     */
    has(schema: GraphSchema | GraphSchemaNameLike): boolean;
    /**
     * Gets the property with the specified name.
     */
    get(name: GraphSchemaNameLike): GraphSchema | undefined;
    /**
     * Adds a schema to the collection.
     */
    add(schema: GraphSchema): this;
    /**
     * Gets the schema names in the collection.
     */
    keys(): IterableIterator<GraphSchemaNameLike>;
    /**
     * Gets the schemas in the collection.
     */
    values(): IterableIterator<GraphSchema>;
    /**
     * Gets the schemas in the collection.
     */
    entries(): IterableIterator<[GraphSchemaNameLike, GraphSchema]>;
    /**
     * Gets the schemas in the collection.
     */
    [Symbol.iterator](): IterableIterator<GraphSchema>;
}

export interface GraphSchemaCollectionEvents {
    /**
     * An event raised when a schema is added to the collection.
     */
    onAdded?: (schema: GraphSchema) => void;
}