import { PptxElement } from 'pptx-viewer-core';
import { ShapeAdjustmentHandleDescriptor } from 'pptx-viewer-shared';
/**
 * What the selection overlay is allowed to offer, given the authored
 * `a:spLocks` on the selected element(s).
 *
 * The lock composition itself is NOT decided here: `canInteractWithElement` in
 * `pptx-viewer-shared` is the one decision function all five bindings consult,
 * and this module only folds its per-element verdict into the collective one an
 * overlay drawn around N elements needs. Keeping it in a plain `.ts` module
 * (rather than inside `EditorController` or the overlay SFC) keeps both of
 * those within the repo's file-size budget and makes the rule unit-testable
 * without a component mount.
 *
 * @module editor/editor-selection-interactivity
 */
/** The chrome the overlay may draw for the current selection. */
export interface SelectionInteractivity {
    /** Draw (and honour) the eight resize handles. */
    resizable: boolean;
    /** Draw (and honour) the rotate stem + knob. */
    rotatable: boolean;
    /**
     * The amber adjustment diamonds, one per `a:avLst` guide. Empty when there
     * is none to draw; PowerPoint shows several on most presets (`quadArrow`
     * three, `callout3` four), and offering only the first left the rest
     * unreachable.
     */
    adjust: ShapeAdjustmentHandleDescriptor[];
}
/**
 * What an unlocked, non-adjustable selection resolves to. The overlay's prop
 * default, so a caller that does not pass a verdict gets the pre-lock chrome.
 */
export declare const DEFAULT_SELECTION_INTERACTIVITY: SelectionInteractivity;
/**
 * The collective verdict for `elements`.
 *
 * A collective box takes the STRICTEST member: one pinned shape in a
 * rubber-banded pair is enough to withdraw the resize handles, because a
 * collective resize would otherwise silently skip it and distort the group.
 * The adjustment diamond belongs to a single shape's own `a:avLst`, so it is
 * only ever offered for a selection of one.
 */
export declare function selectionInteractivity(elements: readonly PptxElement[]): SelectionInteractivity;
/** May a pointer-down on `element` arm a move gesture? */
export declare function canMoveElement(element: PptxElement | undefined): boolean;
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