/**
 * @license
 * Copyright 2021 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */
import type { Workspace } from '../workspace.js';
/**
 * Serializes and deserializes a plugin or system.
 */
export interface ISerializer {
    /**
     * A priority value used to determine the order of deserializing state.
     * More positive priorities are deserialized before less positive
     * priorities. Eg if you have priorities (0, -10, 10, 100) the order of
     * deserialiation will be (100, 10, 0, -10).
     * If two serializers have the same priority, they are deserialized in an
     * arbitrary order relative to each other.
     */
    priority: number;
    /**
     * Saves the state of the plugin or system.
     *
     * @param workspace The workspace the system to serialize is associated with.
     * @returns A JS object containing the system's state, or null if there is no
     *     state to record.
     */
    save(workspace: Workspace): object | null;
    /**
     * Loads the state of the plugin or system.
     *
     * @param state The state of the system to deserialize. This will always be
     *     non-null.
     * @param workspace The workspace the system to deserialize is associated
     *     with.
     */
    load(state: object, workspace: Workspace): void;
    /**
     * Clears the state of the plugin or system.
     *
     * @param workspace The workspace the system to clear the state of is
     *     associated with.
     */
    clear(workspace: Workspace): void;
}
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