public ListenableFuture<UpdateResult> createPayloadIndexAsync(
		String collectionName,
		String field,
		PayloadSchemaType schemaType,
		@Nullable PayloadIndexParams indexParams,
		@Nullable Boolean wait,
		@Nullable WriteOrderingType ordering,
		@Nullable Duration timeout
	) {
		CreateFieldIndexCollection.Builder requestBuilder = CreateFieldIndexCollection.newBuilder()
			.setCollectionName(collectionName)
			.setFieldName(field)
			.setWait(wait == null || wait);

		switch (schemaType) {
			case Keyword:
				requestBuilder.setFieldType(FieldType.FieldTypeKeyword);
				break;
			case Integer:
				requestBuilder.setFieldType(FieldType.FieldTypeInteger);
				break;
			case Float:
				requestBuilder.setFieldType(FieldType.FieldTypeFloat);
				break;
			case Geo:
				requestBuilder.setFieldType(FieldType.FieldTypeGeo);
				break;
			case Text:
				requestBuilder.setFieldType(FieldType.FieldTypeText);
				break;
			case Bool:
				requestBuilder.setFieldType(FieldType.FieldTypeBool);
				break;
			default:
				throw new IllegalArgumentException("Invalid schemaType: '" + schemaType + "'");
		}