/**
 * Humanizes property keys by converting snake_case, camelCase, or kebab-case
 * to a human-readable format (e.g., "full_name" -> "Full Name").
 */
export declare function humanizePropertyKey(key: string): string;
/**
 * Humanizes all property keys in a record's properties object.
 * Preserves nested objects and arrays, only transforming top-level keys.
 */
export declare function humanizePropertyKeys(properties: Record<string, unknown>): Record<string, unknown>;
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