import { PptxSlide } from 'pptx-viewer-core';
import { PptxAiFocusedTarget } from 'pptx-viewer-shared/ai';
/** The selection inputs the focus derivation reads. */
export interface FocusSelectionInput {
    activeSlideIndex: number;
    selectedElementIds: readonly string[];
    selectedElementId: string | null;
}
/**
 * Derive focused targets from the live selection: one `element` target per
 * selected element on the active slide, or a single whole-`slide` target when
 * nothing is selected. Order and multiplicity are preserved (multi-select and
 * tables included) so callers can detect e.g. "exactly two tables".
 */
export declare function computeFocusTargets(input: FocusSelectionInput): PptxAiFocusedTarget[];
/** A renderable focus chip. `title` carries the full element id for hover. */
export interface FocusChip {
    key: string;
    label: string;
    title: string;
}
/**
 * Build display chips for the given targets. Slide targets read `Slide N`;
 * element targets read `<Type> <n>` (a friendly short label, full id on hover),
 * or `<Type> (missing)` when the element is no longer on the slide.
 */
export declare function focusTargetChips(targets: readonly PptxAiFocusedTarget[], slides: readonly PptxSlide[]): FocusChip[];
/** Whether the focus is exactly two table elements (drives the merge action). */
export declare function isTwoTableFocus(targets: readonly PptxAiFocusedTarget[], slides: readonly PptxSlide[]): false | {
    slideIndex: number;
    elementIdA: string;
    elementIdB: string;
};
/** Build the directive that fires `merge_tables` without a confirmation round-trip. */
export declare function mergeTablesDirective(slideIndex: number, elementIdA: string, elementIdB: string): string;
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