refactor: migrate es mapping types from es-mapping-generator to .d.ts next to generated mappings

packages/es-mapping-generator/test/mapping-model/map-agg-test.ts

@@ -12,18 +12,13 @@
  * You should have received a copy of the GNU General Public License along with
  * this program. If not, see <https://www.gnu.org/licenses/>.
  */
-import {
-  generateTemplate,
-  getProjectReflection,
-  AggregationSchema,
-  ESNestedAggregation,
-  ElasticsearchTemplateCollection,
-  settings,
-} from '../../src';
+import {generateTemplate, getProjectReflection, settings} from '../../src';
 import path from 'path';
 import {expect} from 'chai';
 import {ProjectReflection} from 'typedoc';
 import {MapAggTestOptions, MinimalMappingDescription} from './map-agg-test-options';
+import type {AggregationSchema, ESNestedAggregation} from '../../schema/aggregations';
+import type {ElasticsearchTemplateCollection} from '../../schema/mappings';
 
 export class MapAggTest {
   mapping_model_path!: string;