import { xLuceneTypeConfig } from '@terascope/types';
import BaseType from '../base-type.js';
import { GraphQLType, TypeESMapping, DuckDBTypeConfig } from '../../interfaces.js';
/**
 * A true/false value stored as an Elasticsearch/OpenSearch `boolean`.
 *
 * - **ES/OpenSearch mapping:** `{ type: 'boolean' }`. Honors `indexed: false`
 *   (emitted as `index: false`).
 * - **GraphQL:** `Boolean`.
 * - **xLucene:** `Boolean`.
 *
 * @example
 * const config: DataTypeConfig = {
 *     version: 1,
 *     fields: { is_active: { type: 'Boolean' } }
 * };
 */
export default class BooleanType extends BaseType {
    toESMapping(): TypeESMapping;
    toGraphQL(): GraphQLType;
    toXlucene(): xLuceneTypeConfig;
    /**
     * The DuckDB column type for this field.
     */
    toDuckDB(): DuckDBTypeConfig;
}
//# sourceMappingURL=boolean.d.ts.map