import { PptxElement } from 'pptx-viewer-core';
import { ShapeAdjustmentHandleDescriptor } from 'pptx-viewer-shared';
export interface AdjustGestureDeps {
    /** Stage scale (screen px per element px); the drag delta is un-scaled by it. */
    getScale(): number;
    /** First movement past the dead zone: push history, mark the interaction. */
    onStart(): void;
    /** Live frame: write the new adjustment map onto the element (no history). */
    onPreview(elementId: string, adjustments: Record<string, number>): void;
    /** Gesture finished. `moved` is false for a plain tap (no dead-zone exit). */
    onEnd(moved: boolean): void;
}
export interface AdjustGestureController {
    begin(element: PptxElement, descriptor: ShapeAdjustmentHandleDescriptor, event: PointerEvent): void;
    isActive(): boolean;
    dispose(): void;
}
/** `element` with `adjustments` merged over its existing `a:avLst` values. */
export declare function withShapeAdjustments(element: PptxElement, adjustments: Record<string, number>): PptxElement;
export declare function createAdjustGestureController(deps: AdjustGestureDeps): AdjustGestureController;
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