diff --git a/x-pack/plugins/maps/public/index.ts b/x-pack/plugins/maps/public/index.ts
index 74ca8c3a99af7..f4d5e985d12cb 100644
--- a/x-pack/plugins/maps/public/index.ts
+++ b/x-pack/plugins/maps/public/index.ts
@@ -7,10 +7,11 @@
 import { PluginInitializer } from 'kibana/public';
 import { PluginInitializerContext } from 'kibana/public';
 import { MapsPlugin, MapsPluginSetup, MapsPluginStart } from './plugin';
+import { MapsXPackConfig } from '../config';
 
 // @ts-ignore
 export const plugin: PluginInitializer<MapsPluginSetup, MapsPluginStart> = (
-  initContext: PluginInitializerContext
+  initContext: PluginInitializerContext<MapsXPackConfig>
 ) => {
   // @ts-ignore
   return new MapsPlugin(initContext);
diff --git a/x-pack/plugins/maps/public/kibana_services.d.ts b/x-pack/plugins/maps/public/kibana_services.d.ts
index 6ce264d024abc..45a4ace8e27a5 100644
--- a/x-pack/plugins/maps/public/kibana_services.d.ts
+++ b/x-pack/plugins/maps/public/kibana_services.d.ts
@@ -5,6 +5,7 @@
  */
 import { IIndexPattern, DataPublicPluginStart } from 'src/plugins/data/public';
 import { MapsConfigType } from '../config';
+import { MapsLegacyConfigType } from '../../../../src/plugins/maps_legacy/public';
 
 export function getLicenseId(): any;
 export function getInspector(): any;
@@ -30,7 +31,7 @@ export function getCore(): any;
 export function getNavigation(): any;
 export function getCoreI18n(): any;
 export function getSearchService(): DataPublicPluginStart['search'];
-export function getKibanaCommonConfig(): any;
+export function getKibanaCommonConfig(): MapsLegacyConfigType;
 export function getMapAppConfig(): MapsConfigType;
 export function getIsEmsEnabled(): any;
 export function getEmsFontLibraryUrl(): any;
@@ -40,7 +41,7 @@ export function getEmsTileApiUrl(): any;
 export function getEmsLandingPageUrl(): any;
 export function getRegionmapLayers(): any;
 export function getTilemap(): any;
-export function getKibanaVersion(): any;
+export function getKibanaVersion(): string;
 export function getEnabled(): boolean;
 export function getShowMapVisualizationTypes(): boolean;
 export function getShowMapsInspectorAdapter(): boolean;
@@ -70,6 +71,6 @@ export function setCore(args: unknown): void;
 export function setNavigation(args: unknown): void;
 export function setCoreI18n(args: unknown): void;
 export function setSearchService(args: DataPublicPluginStart['search']): void;
-export function setKibanaCommonConfig(args: unknown): void;
-export function setMapAppConfig(args: MapsConfigType): void;
-export function setKibanaVersion(args: unknown): void;
+export function setKibanaCommonConfig(config: MapsLegacyConfigType): void;
+export function setMapAppConfig(config: MapsConfigType): void;
+export function setKibanaVersion(version: string): void;
diff --git a/x-pack/plugins/maps/server/index.ts b/x-pack/plugins/maps/server/index.ts
index 74a1f581b5d59..a73ba91098e90 100644
--- a/x-pack/plugins/maps/server/index.ts
+++ b/x-pack/plugins/maps/server/index.ts
@@ -9,6 +9,8 @@ import { MapsPlugin } from './plugin';
 import { configSchema, MapsXPackConfig } from '../config';
 
 export const config: PluginConfigDescriptor<MapsXPackConfig> = {
+  // exposeToBrowser specifies kibana.yml settings to expose to the browser
+  // the value `true` in this context signals configuration is exposed to browser
   exposeToBrowser: {
     enabled: true,
     showMapVisualizationTypes: true,