import { PptxElement } from 'pptx-viewer-core';
import { CanvasSize } from 'pptx-viewer-shared';
/**
 * Pure factory for the Insert > Action Button action: wraps the shared
 * `buildActionButtonElement` (one of the 12 OOXML built-in action-button
 * presets, `action-buttons.ts`) and centres the result on the slide canvas.
 */
/**
 * Build a new, centred action-button shape from the shared preset catalogue,
 * or `null` when `shapeType` isn't a known action-button preset.
 */
export declare function buildActionButtonInsertElement(shapeType: string, canvasSize: CanvasSize): PptxElement | null;
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