/*!
 * Copyright 2020 Ron Buckton
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import type { DataTypeNameLike } from "./dataTypeNameLike";
import type { GraphSchema } from "./graphSchema";
import type { GraphMetadata } from "./graphMetadata";
import type { GraphPropertyIdLike } from "./graphPropertyIdLike";
import type { TypeOfDataTypeName } from "./typeOfDataTypeName";
import { BaseCollection } from "./baseCollection";
import { DataType } from "./dataType";
import { EventSubscription } from "./events";
import { GraphProperty } from "./graphProperty";
/**
 * A collection of graph properties in a schema.
 */
export declare class GraphPropertyCollection extends BaseCollection<GraphProperty> {
    private _schema;
    private _properties;
    private _events?;
    private constructor();
    /**
     * Gets the schema that owns the collection.
     */
    get schema(): GraphSchema;
    /**
     * Gets the number of properties in the collection.
     */
    get size(): number;
    /**
     * Creates a subscription for a set of named events.
     */
    subscribe(events: GraphPropertyCollectionEvents): EventSubscription;
    /**
     * Determines whether the collection contains the specified property.
     */
    has(property: GraphProperty | GraphPropertyIdLike): boolean;
    /**
     * Gets the property with the specified id.
     */
    get(id: GraphPropertyIdLike): GraphProperty | undefined;
    /**
     * Gets the property with the specified id. If one does not exist, a new property is created.
     */
    getOrCreate<V = any>(id: GraphPropertyIdLike, metadataFactory?: () => GraphMetadata<V>): GraphProperty<V>;
    /**
     * Gets the property with the specified id. If one does not exist, a new property is created.
     */
    getOrCreate<V = any>(id: GraphPropertyIdLike, dataType?: DataType<V> | readonly DataType<V>[], metadataFactory?: () => GraphMetadata<V>): GraphProperty<V>;
    /**
     * Gets the property with the specified id. If one does not exist, a new property is created.
     */
    getOrCreate<D extends DataTypeNameLike, Q extends string, V extends TypeOfDataTypeName<D, Q> = TypeOfDataTypeName<D, Q>>(id: GraphPropertyIdLike, dataType: D, packageQualifier: Q, metadataFactory?: () => GraphMetadata<V>): GraphProperty<V>;
    /**
     * Gets the property with the specified id. If one does not exist, a new property is created.
     */
    getOrCreate<D extends readonly DataTypeNameLike[], V extends TypeOfDataTypeName<D[number]> = TypeOfDataTypeName<D[number]>>(id: GraphPropertyIdLike, dataType: D, metadataFactory?: () => GraphMetadata<V>): GraphProperty<V>;
    /**
     * Adds a property to the collection.
     */
    add(property: GraphProperty): this;
    /**
     * Removes a property from the collection.
     */
    delete(property: GraphProperty): boolean;
    /**
     * Removes a property from the collection.
     */
    delete(property: GraphPropertyIdLike): GraphProperty | false;
    /**
     * Removes a property from the collection.
     */
    delete(property: GraphProperty | GraphPropertyIdLike): GraphProperty | boolean;
    /**
     * Removes all properties from the collection.
     */
    clear(): void;
    /**
     * Gets the property keys in the collection.
     */
    keys(): IterableIterator<GraphPropertyIdLike>;
    /**
     * Gets the properties in the collection.
     */
    values(propertyIds?: Iterable<GraphPropertyIdLike>): IterableIterator<GraphProperty>;
    /**
     * Gets the property entries in the collection.
     */
    entries(): IterableIterator<[GraphPropertyIdLike, GraphProperty]>;
    /**
     * Gets the properties in the collection.
     */
    [Symbol.iterator](): IterableIterator<GraphProperty>;
    private _raiseOnAdded;
    private _raiseOnDeleted;
}
export interface GraphPropertyCollectionEvents {
    /**
     * An event raised when a property is added to the collection.
     */
    onAdded?: (category: GraphProperty) => void;
    /**
     * An event raised when a property is removed from the collection.
     */
    onDeleted?: (category: GraphProperty) => void;
}