/**
 * Copyright (c) 2020-present, Goldman Sachs
 *
 * 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 PackageableElement } from '@finos/legend-graph';
import { type Clazz } from '@finos/legend-shared';
import type { EditorState } from './editor-state/EditorState.js';
import { ElementEditorState } from './editor-state/element-editor-state/ElementEditorState.js';
import type { EditorStore } from './EditorStore.js';
import { TabManagerState, type TabState } from '@finos/legend-lego/application';
import type { EditorInitialConfiguration } from './editor-state/element-editor-state/ElementEditorInitialConfiguration.js';
import { EDITOR_TAB_CLOSE_TRIGGER, EDITOR_TAB_OPEN_TRIGGER } from '../../__lib__/LegendStudioTelemetryHelper.js';
export declare class EditorTabManagerState extends TabManagerState {
    readonly editorStore: EditorStore;
    currentTab?: EditorState | undefined;
    tabs: EditorState[];
    cachedTabs: {
        openedTabEditorPaths: string[];
        currentTabState: EditorState | undefined;
        currentTabElementPath: string | undefined;
    } | undefined;
    constructor(editorStore: EditorStore);
    /**
     * Per-tab dwell accounting for {@link EDITOR_TAB__CLOSE} telemetry.
     * Keyed by `TabState.uuid`. `activeSince` is set when the tab becomes the
     * current tab and cleared on switch away; `accumulatedMs` is the total time
     * the tab held focus. On close we flush any live `activeSince` and emit
     * the total. The map is pruned on close so it does not leak.
     */
    private tabDwell;
    private startDwell;
    private flushDwell;
    private emitTabClose;
    setCurrentTab(val: TabState | undefined): void;
    openTab(tab: TabState, trigger?: EDITOR_TAB_OPEN_TRIGGER): void;
    closeTab(tab: TabState, trigger?: EDITOR_TAB_CLOSE_TRIGGER): void;
    closeAllTabs(trigger?: EDITOR_TAB_CLOSE_TRIGGER): void;
    closeAllOtherTabs(tab: TabState, trigger?: EDITOR_TAB_CLOSE_TRIGGER): void;
    get dndType(): string;
    /**
     * Here we store the element paths of the
     * elements editors as element paths don't refer to the actual graph. We can find the element
     * from the new graph that is built by using element path and can reprocess the element editor states.
     * The other kind of editors we reprocess are file generation editors, we store them as is as they don't
     * hold any reference to the actual graph.
     */
    cacheAndClose(options?: {
        cacheGeneration?: boolean;
    }): void;
    clearTabCache(): void;
    getCurrentEditorState<T extends EditorState>(clazz: Clazz<T>): T;
    createElementEditorState(element: PackageableElement, config?: EditorInitialConfiguration): ElementEditorState | undefined;
    refreshCurrentEntityDiffViewer(): void;
    /**
     * After we do graph processing, we want to recover the tabs
     *
     * NOTE: we have to flush old tab states to ensure, we have no reference
     * to the old graph to avoid memory leak. Here, we only recreate element
     * editor tabs, and keep special editors open. Some tabs will be closed.
     * But we **ABSOLUTELY** must never make this behavior customizable by extension
     * i.e. we should not allow extension control if a tab should be kept open, because
     * the plugin implementation could accidentally reference older graph and therefore
     * cause memory issues
     *
     * See https://github.com/finos/legend-studio/issues/1713
     */
    recoverTabs: () => void;
    findCurrentTab: (tab: EditorState | undefined, tabElementPath: string | undefined) => EditorState | undefined;
}
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