import { OutlinerElement } from '../geometry/outliner_element';
import { Group } from '../geometry/group';
import { Cube } from '../geometry/cube';
import { Mesh } from '../geometry/mesh';
import { Texture } from '../texturing/texture';
import { Animation } from '../animation/animation';
import { AnimationController } from '../animation/animation_controller';
import { UndoSystem } from '../undo/undo_system';
import { ModelFormat } from '../io/format';
import { EventSystem } from '../../utils/event_system';
export interface ProjectOptions {
    name?: string;
    texture_width?: number;
    texture_height?: number;
    box_uv?: boolean;
    format?: ModelFormat;
    mode?: string;
    tool?: string;
    view_mode?: string;
    display_uv?: string;
    exploded_view?: boolean;
    mirror_modeling_enabled?: boolean;
}
export interface UVViewport {
    zoom: number;
    offset: [number, number];
}
export interface PreviewState {
    position: [number, number, number];
    target: [number, number, number];
    orthographic: boolean;
    zoom: number;
    angle?: number;
}
export declare class Project extends EventSystem {
    uuid: string;
    private _name;
    private _texture_width;
    private _texture_height;
    private _saved;
    box_uv: boolean;
    format?: ModelFormat;
    mode: string;
    tool: string;
    view_mode: string;
    display_uv: string;
    exploded_view: boolean;
    mirror_modeling_enabled: boolean;
    save_path: string;
    export_path: string;
    export_options: Record<string, any>;
    added_models: number;
    selected: boolean;
    locked: boolean;
    thumbnail: string;
    elements: OutlinerElement[];
    groups: Group[];
    selected_elements: OutlinerElement[];
    selected_groups: Group[];
    textures: Texture[];
    selected_texture: Texture | null;
    texture_groups: any[];
    materials: Material[];
    selected_material: Material | null;
    animations: Animation[];
    animation_controllers: AnimationController[];
    timeline_animators: any[];
    collections: any[];
    reference_images: any[];
    mesh_selection: Record<string, any>;
    spline_selection: Record<string, any>;
    previews: Record<string, PreviewState>;
    uv_viewport: UVViewport;
    display_settings: Record<string, any>;
    undo: UndoSystem;
    outliner: any[];
    private on_next_open?;
    constructor(options?: ProjectOptions);
    /**
     * Get project name
     */
    get name(): string;
    /**
     * Set project name
     */
    set name(value: string);
    /**
     * Get texture width
     */
    get texture_width(): number;
    /**
     * Set texture width
     */
    set texture_width(value: number);
    /**
     * Get texture height
     */
    get texture_height(): number;
    /**
     * Set texture height
     */
    set texture_height(value: number);
    /**
     * Get saved state
     */
    get saved(): boolean;
    /**
     * Set saved state
     */
    set saved(value: boolean);
    /**
     * Get display name (name, model identifier, or format name)
     */
    getDisplayName(): string;
    /**
     * Get UV width for a texture (supports per-texture UV size)
     */
    getUVWidth(texture?: Texture): number;
    /**
     * Get UV height for a texture (supports per-texture UV size)
     */
    getUVHeight(texture?: Texture): number;
    /**
     * Check if optional box UV is available
     */
    get optional_box_uv(): boolean;
    /**
     * Add a cube to the project
     */
    addCube(data?: any): Cube;
    /**
     * Add a group to the project
     */
    addGroup(data?: any): Group;
    /**
     * Add a mesh to the project
     */
    addMesh(data?: any): Mesh;
    /**
     * Add a texture to the project
     */
    addTexture(data?: any): Texture;
    /**
     * Add an animation to the project
     */
    addAnimation(data?: any): Animation;
    /**
     * Add an animation controller to the project
     */
    addAnimationController(data?: any): AnimationController;
    /**
     * Select a texture
     */
    selectTexture(texture: Texture): void;
    /**
     * Unselect texture
     */
    unselectTexture(): void;
    /**
     * Remove an element from the project
     */
    removeElement(element: OutlinerElement): void;
    /**
     * Remove a group from the project
     */
    removeGroup(group: Group): void;
    /**
     * Remove a texture from the project
     */
    removeTexture(texture: Texture): void;
    /**
     * Select an element
     */
    selectElement(element: OutlinerElement, multiSelect?: boolean): void;
    /**
     * Unselect an element
     */
    unselectElement(element: OutlinerElement): void;
    /**
     * Unselect all elements
     */
    unselectAll(): void;
    /**
     * Save editor state (camera positions, UV viewport, etc.)
     */
    saveEditorState(): this;
    /**
     * Load editor state
     */
    loadEditorState(): this;
    /**
     * Execute callback when project is next opened
     */
    whenNextOpen(callback: () => void): void;
    /**
     * Execute pending callbacks
     */
    executeNextOpenCallbacks(): void;
    /**
     * Get project data for saving
     */
    getSaveData(): any;
    /**
     * Load project data
     */
    loadData(data: any): this;
    /**
     * Extend project with additional data
     */
    extend(data: any): this;
}
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