/**
 * ChordHelpOverlay Component
 *
 * Displays available chord key sequences grouped by category.
 *
 * @since v1.62.0
 * @since v2.1.3 - Fixed layout with proper column alignment
 */
import React from 'react';
import type { Tier } from '../../core/types/auth.js';
import type { ChordDefinition } from '../keyboard/chord-types.js';
export interface ChordHelpOverlayProps {
    /** All available chords */
    chords: ChordDefinition[];
    /** Current user tier */
    tier: Tier;
    /** Whether overlay is active for input */
    isActive?: boolean;
    /** Called when overlay should close */
    onClose: () => void;
    /** Maximum height for content */
    maxHeight?: number;
}
declare function ChordHelpOverlayBase({ chords, tier, isActive, onClose, maxHeight }: ChordHelpOverlayProps): React.ReactElement;
export declare const ChordHelpOverlay: React.MemoExoticComponent<typeof ChordHelpOverlayBase>;
export {};
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