[Security Solution][Timeline] Remove BrowserField type (#188923)

## Summary

This PR removes `BrowserField` type, as it is now replaced with data
plugins' `FieldSpec`.

---------

Co-authored-by: kibanamachine <42973632+kibanamachine@users.noreply.github.com>

x-pack/packages/security-solution/data_table/components/data_table/column_headers/helpers.tsx

@@ -9,8 +9,9 @@ import { i18n } from '@kbn/i18n';
 import type { EuiDataGridColumnActions } from '@elastic/eui';
 import { keyBy } from 'lodash/fp';
 import React from 'react';
+import type { FieldSpec } from '@kbn/data-plugin/common';
+import { BrowserFields } from '@kbn/timelines-plugin/common';
 
-import { BrowserField, BrowserFields } from '@kbn/timelines-plugin/common';
 import { DEFAULT_TABLE_COLUMN_MIN_WIDTH, DEFAULT_TABLE_DATE_COLUMN_MIN_WIDTH } from '../constants';
 import { defaultColumnHeaderType } from '../../../store/data_table/defaults';
 import { ColumnHeaderOptions } from '../../../common/types';
@@ -25,7 +26,7 @@ export const allowSorting = ({
   browserField,
   fieldName,
 }: {
-  browserField: Partial<BrowserField> | undefined;
+  browserField: Partial<FieldSpec> | undefined;
   fieldName: string;
 }): boolean => {
   const isAggregatable = browserField?.aggregatable ?? false;
@@ -94,8 +95,8 @@ export const allowSorting = ({
   return isAllowlistedNonBrowserField || isAggregatable;
 };
 
-const getAllBrowserFields = (browserFields: BrowserFields): Array<Partial<BrowserField>> =>
-  Object.values(browserFields).reduce<Array<Partial<BrowserField>>>(
+const getAllBrowserFields = (browserFields: BrowserFields): Array<Partial<FieldSpec>> =>
+  Object.values(browserFields).reduce<Array<Partial<FieldSpec>>>(
     (acc, namespace) => [
       ...acc,
       ...Object.values(namespace.fields != null ? namespace.fields : {}),
@@ -105,8 +106,7 @@ const getAllBrowserFields = (browserFields: BrowserFields): Array<Partial<Browse
 
 const getAllFieldsByName = (
   browserFields: BrowserFields
-): { [fieldName: string]: Partial<BrowserField> } =>
-  keyBy('name', getAllBrowserFields(browserFields));
+): { [fieldName: string]: Partial<FieldSpec> } => keyBy('name', getAllBrowserFields(browserFields));
 
 /**
  * Valid built-in schema types for the `schema` property of `EuiDataGridColumn`
@@ -204,7 +204,7 @@ export const getColumnHeaders = (
   const headersToMap = isEventRenderedView ? eventRenderedViewColumns : headers;
   return headersToMap
     ? headersToMap.map((header) => {
-        const browserField: Partial<BrowserField> | undefined = browserFieldByName[header.id];
+        const browserField: Partial<FieldSpec> | undefined = browserFieldByName[header.id];
 
         // augment the header with metadata from browserFields:
         const augmentedHeader = {

x-pack/packages/security-solution/data_table/tsconfig.json

@@ -20,6 +20,7 @@
     "@kbn/i18n-react",
     "@kbn/ui-actions-plugin",
     "@kbn/data-views-plugin",
-    "@kbn/field-formats-plugin"
+    "@kbn/field-formats-plugin",
+    "@kbn/data-plugin"
   ]
 }

x-pack/plugins/security_solution/common/search_strategy/index_fields/index.ts

@@ -11,7 +11,6 @@ export type {
   BeatFields,
   IndexFieldsStrategyRequest,
   IndexFieldsStrategyResponse,
-  BrowserField,
   BrowserFields,
 } from '@kbn/timelines-plugin/common';
 export { EMPTY_BROWSER_FIELDS, EMPTY_INDEX_FIELDS } from '@kbn/timelines-plugin/common';

x-pack/plugins/security_solution/public/common/components/drag_and_drop/helpers.ts

@@ -8,13 +8,14 @@ import { keyBy } from 'lodash/fp';
 import type { DropResult } from '@hello-pangea/dnd';
 import type { Dispatch } from 'redux';
 import type { ActionCreator } from 'typescript-fsa';
+import type { FieldSpec } from '@kbn/data-plugin/common';
 
 import { getFieldIdFromDraggable, getProviderIdFromDraggable } from '@kbn/securitysolution-t-grid';
 import { TableId } from '@kbn/securitysolution-data-table';
 import { DEFAULT_COLUMN_MIN_WIDTH } from '../../../timelines/components/timeline/body/constants';
 import { getScopedActions } from '../../../helpers';
 import type { ColumnHeaderOptions } from '../../../../common/types';
-import type { BrowserField, BrowserFields } from '../../../../common/search_strategy';
+import type { BrowserFields } from '../../../../common/search_strategy';
 import { dragAndDropActions } from '../../store/actions';
 import type { IdToDataProvider } from '../../store/drag_and_drop/model';
 import { addContentToTimeline } from '../../../timelines/components/timeline/data_providers/helpers';
@@ -184,8 +185,8 @@ export const allowTopN = ({
   return isAllowlistedNonBrowserField || (isAggregatable && isAllowedType);
 };
 
-const getAllBrowserFields = (browserFields: BrowserFields): Array<Partial<BrowserField>> =>
-  Object.values(browserFields).reduce<Array<Partial<BrowserField>>>(
+const getAllBrowserFields = (browserFields: BrowserFields): Array<Partial<FieldSpec>> =>
+  Object.values(browserFields).reduce<Array<Partial<FieldSpec>>>(
     (acc, namespace) => [
       ...acc,
       ...Object.values(namespace.fields != null ? namespace.fields : {}),
@@ -195,8 +196,7 @@ const getAllBrowserFields = (browserFields: BrowserFields): Array<Partial<Browse
 
 const getAllFieldsByName = (
   browserFields: BrowserFields
-): { [fieldName: string]: Partial<BrowserField> } =>
-  keyBy('name', getAllBrowserFields(browserFields));
+): { [fieldName: string]: Partial<FieldSpec> } => keyBy('name', getAllBrowserFields(browserFields));
 
 const linkFields: Record<string, string> = {
   'kibana.alert.rule.name': 'kibana.alert.rule.uuid',

x-pack/plugins/security_solution/public/common/components/event_details/table/use_action_cell_data_provider.ts

@@ -11,6 +11,8 @@ import type { Filter } from '@kbn/es-query';
 import { escapeDataProviderId } from '@kbn/securitysolution-t-grid';
 import { isArray, isEmpty, isString } from 'lodash/fp';
 import { useMemo } from 'react';
+import type { FieldSpec } from '@kbn/data-plugin/common';
+
 import {
   AGENT_STATUS_FIELD_NAME,
   EVENT_MODULE_FIELD_NAME,
@@ -29,7 +31,6 @@ import { EVENT_DURATION_FIELD_NAME } from '../../../../timelines/components/dura
 import { getDisplayValue } from '../../../../timelines/components/timeline/data_providers/helpers';
 import { PORT_NAMES } from '../../../../explore/network/components/port/helpers';
 import { INDICATOR_REFERENCE } from '../../../../../common/cti/constants';
-import type { BrowserField } from '../../../containers/source';
 import type { DataProvider, DataProvidersAnd, QueryOperator } from '../../../../../common/types';
 import { IS_OPERATOR } from '../../../../../common/types';
 
@@ -38,7 +39,7 @@ export interface UseActionCellDataProvider {
   eventId?: string;
   field: string;
   fieldFormat?: string;
-  fieldFromBrowserField?: Partial<BrowserField>;
+  fieldFromBrowserField?: Partial<FieldSpec>;
   fieldType?: string;
   isObjectArray?: boolean;
   linkValue?: string | null;

x-pack/plugins/security_solution/public/common/components/event_details/types.ts

@@ -5,10 +5,10 @@
  * 2.0.
  */
 
-import type { BrowserField } from '../../containers/source';
+import type { FieldSpec } from '@kbn/data-plugin/common';
 import type { TimelineEventsDetailsItem } from '../../../../common/search_strategy';
 
-export type EventFieldsData = BrowserField & TimelineEventsDetailsItem;
+export type EventFieldsData = FieldSpec & TimelineEventsDetailsItem;
 
 export interface FieldsData {
   field: string;
@@ -20,7 +20,7 @@ export interface FieldsData {
 export interface EnrichedFieldInfo {
   data: FieldsData | EventFieldsData;
   eventId: string;
-  fieldFromBrowserField?: Partial<BrowserField>;
+  fieldFromBrowserField?: Partial<FieldSpec>;
   scopeId: string;
   values: string[] | null | undefined;
   linkValue?: string;

x-pack/plugins/security_solution/public/common/components/ml/hooks/use_ml_rule_config.ts

@@ -7,10 +7,10 @@
 
 import { useMemo } from 'react';
 import type { DataViewFieldBase } from '@kbn/es-query';
+import type { FieldSpec } from '@kbn/data-plugin/common';
 
 import { getTermsAggregationFields } from '../../../../detection_engine/rule_creation_ui/components/step_define_rule/utils';
 import { useRuleFields } from '../../../../detection_engine/rule_management/logic/use_rule_fields';
-import type { BrowserField } from '../../../containers/source';
 import { useMlCapabilities } from './use_ml_capabilities';
 import { useMlRuleValidations } from './use_ml_rule_validations';
 import { hasMlAdminPermissions } from '../../../../../common/machine_learning/has_ml_admin_permissions';
@@ -21,7 +21,7 @@ export interface UseMlRuleConfigReturn {
   hasMlLicense: boolean;
   loading: boolean;
   mlFields: DataViewFieldBase[];
-  mlSuppressionFields: BrowserField[];
+  mlSuppressionFields: FieldSpec[];
   allJobsStarted: boolean;
 }
 
@@ -46,7 +46,7 @@ export const useMLRuleConfig = ({
     machineLearningJobId,
   });
   const mlSuppressionFields = useMemo(
-    () => getTermsAggregationFields(mlFields as BrowserField[]),
+    () => getTermsAggregationFields(mlFields as FieldSpec[]),
     [mlFields]
   );
 

x-pack/plugins/security_solution/public/common/containers/source/index.tsx

@@ -9,8 +9,8 @@ import { isEmpty, isEqual, keyBy, pick } from 'lodash/fp';
 import memoizeOne from 'memoize-one';
 import { useCallback, useEffect, useRef, useState } from 'react';
 import type { DataViewBase } from '@kbn/es-query';
-import type { BrowserField, BrowserFields } from '@kbn/timelines-plugin/common';
-import type { IIndexPatternFieldList } from '@kbn/data-views-plugin/common';
+import type { BrowserFields } from '@kbn/timelines-plugin/common';
+import type { FieldSpec, IIndexPatternFieldList } from '@kbn/data-views-plugin/common';
 import type { DataViewSpec } from '@kbn/data-views-plugin/public';
 
 import { useKibana } from '../../lib/kibana';
@@ -19,10 +19,10 @@ import { getDataViewStateFromIndexFields } from './use_data_view';
 import { useAppToasts } from '../../hooks/use_app_toasts';
 import type { ENDPOINT_FIELDS_SEARCH_STRATEGY } from '../../../../common/endpoint/constants';
 
-export type { BrowserField, BrowserFields };
+export type { BrowserFields };
 
-export function getAllBrowserFields(browserFields: BrowserFields): Array<Partial<BrowserField>> {
-  const result: Array<Partial<BrowserField>> = [];
+export function getAllBrowserFields(browserFields: BrowserFields): Array<Partial<FieldSpec>> {
+  const result: Array<Partial<FieldSpec>> = [];
   for (const namespace of Object.values(browserFields)) {
     if (namespace.fields) {
       result.push(...Object.values(namespace.fields));
@@ -38,8 +38,7 @@ export function getAllBrowserFields(browserFields: BrowserFields): Array<Partial
  */
 export const getAllFieldsByName = (
   browserFields: BrowserFields
-): { [fieldName: string]: Partial<BrowserField> } =>
-  keyBy('name', getAllBrowserFields(browserFields));
+): { [fieldName: string]: Partial<FieldSpec> } => keyBy('name', getAllBrowserFields(browserFields));
 
 export const getIndexFields = memoizeOne(
   (title: string, fields: IIndexPatternFieldList): DataViewBase =>

x-pack/plugins/security_solution/public/common/containers/source/use_data_view.tsx

@@ -9,9 +9,10 @@ import { useCallback, useRef } from 'react';
 import type { Subscription } from 'rxjs';
 import { useDispatch } from 'react-redux';
 import memoizeOne from 'memoize-one';
-import type { BrowserField, BrowserFields } from '@kbn/timelines-plugin/common';
+import type { BrowserFields } from '@kbn/timelines-plugin/common';
 import { getCategory } from '@kbn/triggers-actions-ui-plugin/public';
 import type { DataViewSpec } from '@kbn/data-views-plugin/public';
+import type { FieldCategory } from '@kbn/timelines-plugin/common/search_strategy';
 
 import { useKibana } from '../../lib/kibana';
 import { sourcererActions } from '../../../sourcerer/store';
@@ -28,10 +29,7 @@ export type IndexFieldSearch = (param: {
   skipScopeUpdate?: boolean;
 }) => Promise<void>;
 
-type DangerCastForBrowserFieldsMutation = Record<
-  string,
-  Omit<BrowserField, 'fields'> & { fields: Record<string, BrowserField> }
->;
+type DangerCastForBrowserFieldsMutation = Record<string, FieldCategory>;
 interface DataViewInfo {
   /**
    * @deprecated use fields list on dataview / "indexPattern"
@@ -62,7 +60,7 @@ export const getDataViewStateFromIndexFields = memoizeOne(
         }
         const categoryFields = browserFields[category].fields;
         if (categoryFields) {
-          categoryFields[name] = field as BrowserField;
+          categoryFields[name] = field;
         }
       }
       return { browserFields: browserFields as DangerCastForBrowserFieldsMutation };

x-pack/plugins/security_solution/public/detection_engine/rule_creation_ui/components/step_define_rule/index.tsx

@@ -24,7 +24,7 @@ import React, { memo, useCallback, useState, useEffect, useMemo, useRef } from '
 import styled from 'styled-components';
 import { i18n as i18nCore } from '@kbn/i18n';
 import { isEqual, isEmpty } from 'lodash';
-import type { FieldSpec } from '@kbn/data-views-plugin/common';
+import type { FieldSpec } from '@kbn/data-plugin/common';
 import usePrevious from 'react-use/lib/usePrevious';
 import type { Type } from '@kbn/securitysolution-io-ts-alerting-types';
 import { useQueryClient } from '@tanstack/react-query';
@@ -83,7 +83,6 @@ import {
 import { EqlQueryBar } from '../eql_query_bar';
 import { DataViewSelector } from '../data_view_selector';
 import { ThreatMatchInput } from '../threatmatch_input';
-import type { BrowserField } from '../../../../common/containers/source';
 import { useFetchIndex } from '../../../../common/containers/source';
 import { NewTermsFields } from '../new_terms_fields';
 import { ScheduleItem } from '../../../rule_creation/components/schedule_item_form';
@@ -266,12 +265,12 @@ const StepDefineRuleComponent: FC<StepDefineRuleProps> = ({
     [form]
   );
 
-  const [aggFields, setAggregatableFields] = useState<BrowserField[]>([]);
+  const [aggFields, setAggregatableFields] = useState<FieldSpec[]>([]);
 
   useEffect(() => {
     const { fields } = indexPattern;
     /**
-     * Typecasting to BrowserField because fields is
+     * Typecasting to FieldSpec because fields is
      * typed as DataViewFieldBase[] which does not have
      * the 'aggregatable' property, however the type is incorrect
      *
@@ -279,10 +278,10 @@ const StepDefineRuleComponent: FC<StepDefineRuleProps> = ({
      * We will need to determine where these types are defined and
      * figure out where the discrepency is.
      */
-    setAggregatableFields(aggregatableFields(fields as BrowserField[]));
+    setAggregatableFields(aggregatableFields(fields as FieldSpec[]));
   }, [indexPattern]);
 
-  const termsAggregationFields: BrowserField[] = useMemo(
+  const termsAggregationFields: FieldSpec[] = useMemo(
     () => getTermsAggregationFields(aggFields),
     [aggFields]
   );

x-pack/plugins/security_solution/public/detection_engine/rule_creation_ui/components/step_define_rule/utils.ts

@@ -6,8 +6,7 @@
  */
 
 import type { Type } from '@kbn/securitysolution-io-ts-alerting-types';
-
-import type { BrowserField } from '../../../../common/containers/source';
+import type { FieldSpec } from '@kbn/data-plugin/common';
 
 import { CUSTOM_QUERY_REQUIRED, EQL_QUERY_REQUIRED, ESQL_QUERY_REQUIRED } from './translations';
 
@@ -19,7 +18,7 @@ import { isEqlRule, isEsqlRule } from '../../../../../common/detection_engine/ut
  * Keyword, Numeric, ip, boolean, or binary.
  * https://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-bucket-terms-aggregation.html
  */
-export const getTermsAggregationFields = (fields: BrowserField[]): BrowserField[] => {
+export const getTermsAggregationFields = (fields: FieldSpec[]): FieldSpec[] => {
   // binary types is excluded, as binary field has property aggregatable === false
   const allowedTypesSet = new Set(['string', 'number', 'ip', 'boolean']);
 

x-pack/plugins/security_solution/public/detections/components/alerts_kpis/common/hooks.test.tsx

@@ -7,7 +7,7 @@
 
 import React from 'react';
 import { renderHook } from '@testing-library/react-hooks';
-import type { BrowserField } from '@kbn/timelines-plugin/common';
+import type { FieldSpec } from '@kbn/data-plugin/common';
 
 import type { GetAggregatableFields, UseInspectButtonParams } from './hooks';
 import { getAggregatableFields, useInspectButton, useStackByFields } from './hooks';
@@ -57,7 +57,7 @@ describe('getAggregatableFields', () => {
 
       expect(
         getAggregatableFields(
-          { [field]: mockBrowserFields?.destination?.fields?.[field] as Partial<BrowserField> },
+          { [field]: mockBrowserFields?.destination?.fields?.[field] as Partial<FieldSpec> },
           useLensCompatibleFields
         )
       ).toHaveLength(1);

x-pack/plugins/security_solution/public/detections/components/alerts_kpis/common/hooks.ts

@@ -9,8 +9,8 @@ import { useCallback, useEffect } from 'react';
 import { useLocation } from 'react-router-dom';
 import type { EuiComboBoxOptionOption } from '@elastic/eui';
 import type { IFieldSubTypeNested } from '@kbn/es-query';
+import type { FieldSpec } from '@kbn/data-plugin/common';
 
-import type { BrowserField } from '@kbn/timelines-plugin/common';
 import { i18n } from '@kbn/i18n';
 import { useAppToasts } from '../../../../common/hooks/use_app_toasts';
 import type { GlobalTimeArgs } from '../../../../common/containers/use_global_time';
@@ -64,13 +64,13 @@ export const useInspectButton = ({
   }, [setQuery, loading, response, request, refetch, uniqueQueryId, deleteQuery, searchSessionId]);
 };
 
-export function isDataViewFieldSubtypeNested(field: Partial<BrowserField>) {
+export function isDataViewFieldSubtypeNested(field: Partial<FieldSpec>) {
   const subTypeNested = field?.subType as IFieldSubTypeNested;
   return !!subTypeNested?.nested?.path;
 }
 
 export interface GetAggregatableFields {
-  [fieldName: string]: Partial<BrowserField>;
+  [fieldName: string]: Partial<FieldSpec>;
 }
 
 export function getAggregatableFields(

x-pack/plugins/security_solution/public/flyout/document_details/right/components/table_field_value_cell.test.tsx

@@ -7,8 +7,7 @@
 
 import { render, screen } from '@testing-library/react';
 import React from 'react';
-
-import type { BrowserField } from '@kbn/timelines-plugin/common';
+import type { FieldSpec } from '@kbn/data-plugin/common';
 import type { EventFieldsData } from '../../../../common/components/event_details/types';
 import { TableFieldValueCell } from './table_field_value_cell';
 import { TestProviders } from '../../../../common/mock';
@@ -88,7 +87,7 @@ describe('TableFieldValueCell', () => {
     };
     const messageValues = ['Endpoint network event'];
 
-    const messageFieldFromBrowserField: BrowserField = {
+    const messageFieldFromBrowserField: FieldSpec = {
       aggregatable: false,
       name: 'message',
       readFromDocValues: false,
@@ -121,8 +120,8 @@ describe('TableFieldValueCell', () => {
     });
   });
 
-  describe('when `BrowserField` metadata IS available', () => {
-    const hostIpFieldFromBrowserField: BrowserField = {
+  describe('when `FieldSpec` metadata IS available', () => {
+    const hostIpFieldFromBrowserField: FieldSpec = {
       aggregatable: true,
       name: 'host.ip',
       readFromDocValues: false,

x-pack/plugins/security_solution/public/flyout/document_details/right/components/table_field_value_cell.tsx

@@ -7,7 +7,7 @@
 
 import React, { memo } from 'react';
 import { EuiFlexGroup, EuiFlexItem, EuiText } from '@elastic/eui';
-import type { BrowserField } from '@kbn/timelines-plugin/common';
+import type { FieldSpec } from '@kbn/data-plugin/common';
 import { getFieldFormat } from '../../../../common/components/event_details/get_field_format';
 import type { EventFieldsData } from '../../../../common/components/event_details/types';
 import { OverflowField } from '../../../../common/components/tables/helpers';
@@ -30,7 +30,7 @@ export interface FieldValueCellProps {
   /**
    * Field retrieved from the BrowserField
    */
-  fieldFromBrowserField?: Partial<BrowserField>;
+  fieldFromBrowserField?: Partial<FieldSpec>;
   /**
    * Value of the link field if it exists. Allows to navigate to other pages like host, user, network...
    */

x-pack/plugins/security_solution/public/flyout/document_details/right/tabs/table_tab.tsx

@@ -13,11 +13,8 @@ import { type EuiBasicTableColumn, EuiText, EuiInMemoryTable, useEuiFontSize } f
 import { i18n } from '@kbn/i18n';
 import { dataTableSelectors, tableDefaults } from '@kbn/securitysolution-data-table';
 import { getCategory } from '@kbn/triggers-actions-ui-plugin/public';
-import type {
-  BrowserField,
-  BrowserFields,
-  TimelineEventsDetailsItem,
-} from '@kbn/timelines-plugin/common';
+import type { BrowserFields, TimelineEventsDetailsItem } from '@kbn/timelines-plugin/common';
+import type { FieldSpec } from '@kbn/data-plugin/common';
 import { TableFieldNameCell } from '../components/table_field_name_cell';
 import { TableFieldValueCell } from '../components/table_field_value_cell';
 import { TABLE_TAB_CONTENT_TEST_ID, TABLE_TAB_SEARCH_INPUT_TEST_ID } from './test_ids';
@@ -58,10 +55,10 @@ const search = {
  * Retrieve the correct field from the BrowserField
  */
 export const getFieldFromBrowserField = memoizeOne(
-  (field: string, browserFields: BrowserFields): BrowserField | undefined => {
+  (field: string, browserFields: BrowserFields): FieldSpec | undefined => {
     const category = getCategory(field);
 
-    return browserFields[category]?.fields?.[field] as BrowserField;
+    return browserFields[category]?.fields?.[field] as FieldSpec;
   },
   (newArgs, lastArgs) => newArgs[0] === lastArgs[0]
 );

x-pack/plugins/security_solution/public/sourcerer/store/model.ts

@@ -96,7 +96,7 @@ export interface SelectedDataView {
   /**
    * @deprecated use EcsFlat or fields / indexFields from data view
    */
-  browserFields: SourcererDataView['browserFields'];
+  browserFields: BrowserFields;
   dataViewId: string | null; // null if legacy pre-8.0 timeline
   /**
    * @deprecated use sourcererDataView

x-pack/plugins/security_solution/public/timelines/components/timeline/body/renderers/formatted_field.tsx

@@ -12,8 +12,8 @@ import { EuiFlexGroup, EuiFlexItem, EuiToolTip } from '@elastic/eui';
 import { isEmpty, isNumber } from 'lodash/fp';
 import React from 'react';
 import { css } from '@emotion/css';
+import type { FieldSpec } from '@kbn/data-plugin/common';
 
-import type { BrowserField } from '../../../../../common/containers/source';
 import {
   ALERT_HOST_CRITICALITY,
   ALERT_USER_CRITICALITY,
@@ -71,7 +71,7 @@ const FormattedFieldValueComponent: React.FC<{
   isObjectArray?: boolean;
   isUnifiedDataTable?: boolean;
   fieldFormat?: string;
-  fieldFromBrowserField?: Partial<BrowserField>;
+  fieldFromBrowserField?: Partial<FieldSpec>;
   fieldName: string;
   fieldType?: string;
   isButton?: boolean;

x-pack/plugins/timelines/common/index.ts

@@ -40,7 +40,6 @@ export { IS_OPERATOR, EXISTS_OPERATOR } from './types';
 
 export type {
   BeatFields,
-  BrowserField,
   BrowserFields,
   CursorType,
   EqlOptionsData,

x-pack/plugins/timelines/common/search_strategy/index_fields/index.ts

@@ -65,23 +65,10 @@ export interface IndexFieldsStrategyResponse extends IEsSearchResponse {
   runtimeMappings: MappingRuntimeFields;
 }
 
-/**
- * @deprecated use fields list on dataview / "indexPattern"
- * about to use browserFields? Reconsider! Maybe you can accomplish
- * everything you need via the `fields` property on the data view
- * you are working with? Or perhaps you need a description for a
- * particular field? Consider using the EcsFlat module from `@kbn/ecs`
- */
-export type BrowserField = FieldSpec;
-
 type FieldCategoryName = string;
 
 export interface FieldCategory {
-  fields: Record<string, Partial<BrowserField>>;
-}
-
-export interface FieldCategory {
-  fields: Record<string, Partial<BrowserField>>;
+  fields: Record<string, Partial<FieldSpec>>;
 }
 
 /**