import { Signal } from '@preact/signals-core';
import { Matrix4, Object3D, Vector2Tuple, WebGLRenderer } from 'three';
import { ClippingRect } from './clipping.js';
import { OrderInfo, WithReversePainterSortStableCache } from './order.js';
import { GlyphGroupManager } from './text/render/instanced-glyph-group.js';
import { PanelGroupManager } from './panel/instanced-panel-group.js';
import { FlexNode } from './flex/index.js';
export type ParentContext = Readonly<{
    node: Signal<FlexNode | undefined>;
    anyAncestorScrollable: Signal<readonly [boolean, boolean]>;
    ancestorsHaveListeners: Signal<boolean>;
    clippingRect: Signal<ClippingRect | undefined>;
    childrenMatrix: Signal<Matrix4 | undefined>;
    orderInfo: Signal<OrderInfo | undefined>;
    root: RootContext;
}>;
export type RootContext = WithReversePainterSortStableCache & Readonly<{
    requestCalculateLayout: () => void;
    objectRef: {
        current?: Object3D | null;
    };
    gylphGroupManager: GlyphGroupManager;
    panelGroupManager: PanelGroupManager;
    pixelSize: Signal<number>;
    onFrameSet: Set<(delta: number) => void>;
    onUpdateMatrixWorldSet: Set<() => void>;
    interactableDescendants: Array<Object3D>;
    renderer: WebGLRenderer;
    size: Signal<Vector2Tuple | undefined>;
    requestRender: () => void;
    requestFrame: () => void;
}>;