export interface MeasuredRect {
    readonly x: number;
    readonly y: number;
    readonly width: number;
    readonly height: number;
}
export interface RuntimeNodeIndicatorRect extends MeasuredRect {
    readonly nodeId: string;
    readonly showUnsupportedIndicator: boolean;
}
type RuntimeNodeMeasurementSource = 'authored-root' | 'runtime-recorder';
export interface RuntimeNodeMeasurement<TResizeTarget = Element> {
    readonly getResizeTargets?: () => readonly TResizeTarget[];
    readonly measure: () => Promise<MeasuredRect | null>;
    readonly showUnsupportedIndicator: boolean;
    readonly source: RuntimeNodeMeasurementSource;
}
export type RuntimeNodeMeasurements<TResizeTarget = Element> = ReadonlyMap<string, ReadonlySet<RuntimeNodeMeasurement<TResizeTarget>>>;
export interface ResizeTargetObserver<TResizeTarget> {
    readonly disconnect: () => void;
    readonly observe: (target: TResizeTarget) => void;
    readonly unobserve: (target: TResizeTarget) => void;
}
export interface ActiveResizeTargetCoordinator<TResizeTarget> {
    readonly disconnect: () => void;
    readonly getObservedTargets: () => ReadonlySet<TResizeTarget>;
    readonly sync: (measurements: readonly RuntimeNodeMeasurement<TResizeTarget>[], additionalTargets?: readonly TResizeTarget[]) => void;
}
export interface RuntimeNodeMeasurementRegistry<TResizeTarget = Element> {
    readonly getMeasurements: () => RuntimeNodeMeasurements<TResizeTarget>;
    readonly register: (nodeId: string, measurement: RuntimeNodeMeasurement<TResizeTarget>) => () => void;
}
export declare function runtimeNodeMeasurementChangeAffectsActiveIndicators<TResizeTarget>(options: {
    readonly isEditMode: boolean;
    readonly activeDragNodeId?: string | null;
    readonly measurements: ReadonlySet<RuntimeNodeMeasurement<TResizeTarget>>;
    readonly nodeId: string;
    readonly selectedNodeId: string | null;
}): boolean;
export declare function shouldRenderSelectedNodeChrome(platform: string, isEditMode: boolean, selectedNodeId: string | null): boolean;
export interface NativeMeasurableView {
    readonly measureInWindow: (callback: (x: number, y: number, width: number, height: number) => void) => void;
}
export declare function unionMeasuredRects(rects: readonly MeasuredRect[]): MeasuredRect | null;
export declare function measureNativeRuntimeNodeView(view: NativeMeasurableView): Promise<MeasuredRect | null>;
export declare function createNativeRuntimeNodeMeasurement(view: NativeMeasurableView, showUnsupportedIndicator: boolean): RuntimeNodeMeasurement<never>;
export declare function createRuntimeNodeMeasurementRegistry<TResizeTarget = Element>(options?: {
    readonly onChange?: () => void;
}): RuntimeNodeMeasurementRegistry<TResizeTarget>;
export declare function getActiveRuntimeNodeMeasurements<TResizeTarget>(runtimeNodes: RuntimeNodeMeasurements<TResizeTarget>, isEditMode: boolean, selectedNodeId: string | null, activeDragNodeId?: string | null): readonly RuntimeNodeMeasurement<TResizeTarget>[];
export declare function hasActiveRuntimeNodeMeasurements<TResizeTarget>(runtimeNodes: RuntimeNodeMeasurements<TResizeTarget>, isEditMode: boolean, selectedNodeId: string | null, activeDragNodeId?: string | null): boolean;
export declare function measureRuntimeNodeIndicators<TResizeTarget>(options: {
    readonly isEditMode: boolean;
    readonly activeDragNodeId?: string | null;
    readonly canvasRootNodeId?: string | null;
    readonly rootRect: MeasuredRect | null;
    readonly runtimeNodes: RuntimeNodeMeasurements<TResizeTarget>;
    readonly selectedNodeId: string | null;
}): Promise<readonly RuntimeNodeIndicatorRect[]>;
export declare function createActiveResizeTargetCoordinator<TResizeTarget>(observer: ResizeTargetObserver<TResizeTarget>): ActiveResizeTargetCoordinator<TResizeTarget>;
export declare function createSelectedIndicatorViewProps(rect: RuntimeNodeIndicatorRect, borderColor: string): {
    readonly pointerEvents: 'none';
    readonly style: {
        readonly position: 'absolute';
        readonly left: number;
        readonly top: number;
        readonly width: number;
        readonly height: number;
        readonly borderWidth: 2;
        readonly borderColor: string;
        readonly borderRadius: 4;
    };
};
export {};
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