import { xLuceneTypeConfig } from '@terascope/types';
import BaseType from '../base-type.js';
import { GraphQLType, TypeESMapping, DuckDBTypeConfig } from '../../interfaces.js';
/**
 * A general-purpose string. Behaves like {@link Keyword} — the value is
 * stored as an Elasticsearch/OpenSearch `keyword` (exact match, not
 * analyzed) — but always maps to the GraphQL `String` scalar, with no special
 * handling for `_key`.
 *
 * - **ES/OpenSearch mapping:** `{ type: 'keyword' }`. Honors `indexed: false`
 *   (emitted as `index: false`).
 * - **GraphQL:** `String`.
 * - **xLucene:** `String`.
 *
 * Reach for `Text` when you need analyzed full-text search.
 *
 * @example
 * const config: DataTypeConfig = {
 *     version: 1,
 *     fields: { name: { type: 'String' } }
 * };
 */
export default class StringClass extends BaseType {
    toESMapping(): TypeESMapping;
    toGraphQL(): GraphQLType;
    toXlucene(): xLuceneTypeConfig;
    /**
     * The DuckDB column type for this field.
     */
    toDuckDB(): DuckDBTypeConfig;
}
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