/**
 * Handle keyword generation for a given field value, regardless of its type.
 * Supports plain strings, arrays of strings and one-level-deep objects
 *
 * @param value the source field value.
 * @param omit a set of words to be omitted from the resulting keywords
 * @returns the resulting set of keywords. and an empty set if the value is null
 */
export declare const extractKeywordsFromField: (value: string | string[] | Record<string, any> | null, omit: string[]) => string[];