import { AcCmEventManager } from '@mlightcad/common';
import { AcDbObjectId } from '../../base/AcDbObject';
import { AcDbBlockTableRecord } from '../../database/AcDbBlockTableRecord';
import { AcDbDatabase } from '../../database/AcDbDatabase';
import { AcDbLayout } from './AcDbLayout';
/**
 * Event arguments for layout-related events.
 */
export interface AcDbLayoutEventArgs {
    /** The layout involved in the event */
    layout: AcDbLayout;
}
/**
 * Event arguments for layout-renamed events.
 */
export interface AcDbLayoutRenamedEventArgs {
    /** The layout involved in the event */
    layout: AcDbLayout;
    /** The old name of the layout */
    oldName: string;
    /** The new name of the layout */
    newName: string;
}
/**
 * Manages layout objects in a drawing database.
 *
 * This class provides functionality for managing layouts, including creating,
 * finding, renaming, and switching between layouts. It also provides event
 * notifications when layouts are switched.
 *
 * @example
 * ```typescript
 * const layoutManager = new AcDbLayoutManager();
 * const layoutCount = layoutManager.countLayouts();
 * const activeLayout = layoutManager.findActiveLayout();
 * ```
 */
export declare class AcDbLayoutManager {
    /**
     * Events that can be triggered by the layout manager.
     *
     * These events allow applications to respond to layout changes.
     */
    readonly events: {
        /** Fired when the layout is created */
        layoutCreated: AcCmEventManager<AcDbLayoutEventArgs>;
        /** Fired when the layout is removed */
        layoutRemoved: AcCmEventManager<AcDbLayoutEventArgs>;
        /** Fired when the layout is renamed */
        layoutRenamed: AcCmEventManager<AcDbLayoutRenamedEventArgs>;
        /** Fired when the layout is switched */
        layoutSwitched: AcCmEventManager<AcDbLayoutEventArgs>;
    };
    /**
     * Gets the number of layouts in the layout dictionary.
     *
     * This includes the Model tab, which is always present.
     *
     * @param db - Drawing database to use (defaults to the current database)
     * @returns The number of layouts in the dictionary
     *
     * @example
     * ```typescript
     * const count = layoutManager.countLayouts();
     * console.log(`Number of layouts: ${count}`);
     * ```
     */
    countLayouts(db?: AcDbDatabase): number;
    /**
     * Finds a layout by name in the database.
     *
     * @param name - Name of the layout to find
     * @param db - Drawing database to use (defaults to the current database)
     * @returns The layout object, or undefined if not found
     *
     * @example
     * ```typescript
     * const layout = layoutManager.findLayoutNamed('A4 Landscape');
     * if (layout) {
     *   console.log('Found layout:', layout.layoutName);
     * }
     * ```
     */
    findLayoutNamed(name: string, db?: AcDbDatabase): AcDbLayout | undefined;
    /**
     * Gets the name of the active layout in the database.
     *
     * @returns The name of the active layout, or 'Model' if no layout is active
     *
     * @example
     * ```typescript
     * const activeLayoutName = layoutManager.findActiveLayout();
     * console.log('Active layout:', activeLayoutName);
     * ```
     */
    findActiveLayout(): string;
    /**
     * Makes the layout object associated with the given object ID the current layout.
     *
     * @param id - Object ID for the layout object to make current
     * @param db - Drawing database to use (defaults to the current database)
     * @returns True if setting the current layout was successful, false otherwise
     *
     * @example
     * ```typescript
     * const success = layoutManager.setCurrentLayoutId('some-layout-id');
     * if (success) {
     *   console.log('Layout switched successfully');
     * }
     * ```
     */
    setCurrentLayoutId(id: AcDbObjectId, db?: AcDbDatabase): boolean;
    /**
     * Makes the layout object associated with the given block table record ID the current layout.
     *
     * @param id - Block table record ID for the layout object to make current
     * @param db - Drawing database to use (defaults to the current database)
     * @returns True if setting the current layout was successful, false otherwise
     *
     * @example
     * ```typescript
     * const success = layoutManager.setCurrentLayoutBtrId('some-block-id');
     * ```
     */
    setCurrentLayoutBtrId(id: AcDbObjectId, db?: AcDbDatabase): boolean;
    /**
     * Sets the layout named 'name' as the current layout in the database.
     *
     * @param name - Name of the layout to make current
     * @param db - Drawing database to use (defaults to the current database)
     * @returns True if setting the current layout was successful, false otherwise
     *
     * @example
     * ```typescript
     * const success = layoutManager.setCurrentLayout('A4 Landscape');
     * ```
     */
    setCurrentLayout(name: string, db?: AcDbDatabase): boolean;
    /**
     * Renames a layout in the database.
     *
     * @param oldName - Current name of the layout to rename
     * @param newName - New name for the layout
     * @param db - Drawing database to use (defaults to the current database)
     * @returns True if the layout was renamed successfully, false otherwise
     *
     * @example
     * ```typescript
     * const success = layoutManager.renameLayout('Old Name', 'New Name');
     * ```
     */
    renameLayout(oldName: string, newName: string, db?: AcDbDatabase): boolean;
    /**
     * Return true if the layout named 'name' is found in the database 'db' (or the
     * workingDatabase if 'db' isn't provided).
     * @param name Input name of layout to find.
     * @param db Input drawing database to use. Default is the current database.
     * @returns Return true if the layout named name is found in the database 'db'
     * (or the workingDatabase if 'db' isn't provided).
     */
    layoutExists(name: string, db?: AcDbDatabase): boolean;
    /**
     * Delete the layout named 'name' from the database 'db' (or the workingDatabase
     * if 'db' isn't provided).
     * @param name Input name of layout to delete.
     * @param db Input drawing database to use. Default is the current database.
     * @returns
     */
    deleteLayout(name: string, db?: AcDbDatabase): boolean;
    /**
     * Create a new AcDbLayout object given a unique layout name.
     * @param name Input name to give new AcDbLayout object
     * @param db Input drawing database to use. Default is the current database.
     * @returns Return newly created layout and its associated block table record.
     */
    createLayout(name: string, db?: AcDbDatabase): {
        layout: AcDbLayout;
        btr: AcDbBlockTableRecord;
    };
    /**
     * Get active layout in the database 'db' (or the workingDatabase if 'db' isn't provided).
     * @param db Input drawing database to use. Default is the current database.
     * @returns Return active layout if found. Otherwise, return undefined.
     */
    getActiveLayout(db?: AcDbDatabase): AcDbLayout | undefined;
    private getWorkingDatabase;
    private setCurrentLayoutInternal;
}
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