diff --git a/flavors/swagger-ui-react/index.jsx b/flavors/swagger-ui-react/index.jsx
index 7c9b50d8..71ea3249 100644
--- a/flavors/swagger-ui-react/index.jsx
+++ b/flavors/swagger-ui-react/index.jsx
@@ -7,41 +7,35 @@ import React, { useEffect, useCallback, useState } from "react"
 import PropTypes from "prop-types"
 import SwaggerUIConstructor from "#swagger-ui"
 
+const { config } = SwaggerUIConstructor
+
 const SwaggerUI = ({
-  spec = SwaggerUIConstructor.defaultOptions.spec,
-  url = SwaggerUIConstructor.defaultOptions.url,
-  layout = SwaggerUIConstructor.defaultOptions.layout,
-  requestInterceptor = SwaggerUIConstructor.defaultOptions.requestInterceptor,
-  responseInterceptor = SwaggerUIConstructor.defaultOptions.responseInterceptor,
-  supportedSubmitMethods = SwaggerUIConstructor.defaultOptions
-    .supportedSubmitMethods,
-  queryConfigEnabled = SwaggerUIConstructor.defaultOptions.queryConfigEnabled,
-  plugins = SwaggerUIConstructor.defaultOptions.plugins,
-  displayOperationId = SwaggerUIConstructor.defaultOptions.displayOperationId,
-  showMutatedRequest = SwaggerUIConstructor.defaultOptions.showMutatedRequest,
-  docExpansion = SwaggerUIConstructor.defaultOptions.docExpansion,
-  defaultModelExpandDepth = SwaggerUIConstructor.defaultOptions
-    .defaultModelExpandDepth,
-  defaultModelsExpandDepth = SwaggerUIConstructor.defaultOptions
-    .defaultModelsExpandDepth,
-  defaultModelRendering = SwaggerUIConstructor.defaultOptions
-    .defaultModelRendering,
-  presets = SwaggerUIConstructor.defaultOptions.presets,
-  deepLinking = SwaggerUIConstructor.defaultOptions.deepLinking,
-  showExtensions = SwaggerUIConstructor.defaultOptions.showExtensions,
-  showCommonExtensions = SwaggerUIConstructor.defaultOptions
-    .showCommonExtensions,
-  filter = SwaggerUIConstructor.defaultOptions.filter,
-  requestSnippetsEnabled = SwaggerUIConstructor.defaultOptions
-    .requestSnippetsEnabled,
-  requestSnippets = SwaggerUIConstructor.defaultOptions.requestSnippets,
-  tryItOutEnabled = SwaggerUIConstructor.defaultOptions.tryItOutEnabled,
-  displayRequestDuration = SwaggerUIConstructor.defaultOptions
-    .displayRequestDuration,
-  withCredentials = SwaggerUIConstructor.defaultOptions.withCredentials,
-  persistAuthorization = SwaggerUIConstructor.defaultOptions
-    .persistAuthorization,
-  oauth2RedirectUrl = SwaggerUIConstructor.defaultOptions.oauth2RedirectUrl,
+  spec = config.defaults.spec,
+  url = config.defaults.url,
+  layout = config.defaults.layout,
+  requestInterceptor = config.defaults.requestInterceptor,
+  responseInterceptor = config.defaults.responseInterceptor,
+  supportedSubmitMethods = config.defaults.supportedSubmitMethods,
+  queryConfigEnabled = config.defaults.queryConfigEnabled,
+  plugins = config.defaults.plugins,
+  displayOperationId = config.defaults.displayOperationId,
+  showMutatedRequest = config.defaults.showMutatedRequest,
+  docExpansion = config.defaults.docExpansion,
+  defaultModelExpandDepth = config.defaults.defaultModelExpandDepth,
+  defaultModelsExpandDepth = config.defaults.defaultModelsExpandDepth,
+  defaultModelRendering = config.defaults.defaultModelRendering,
+  presets = config.defaults.presets,
+  deepLinking = config.defaults.deepLinking,
+  showExtensions = config.defaults.showExtensions,
+  showCommonExtensions = config.defaults.showCommonExtensions,
+  filter = config.defaults.filter,
+  requestSnippetsEnabled = config.defaults.requestSnippetsEnabled,
+  requestSnippets = config.defaults.requestSnippets,
+  tryItOutEnabled = config.defaults.tryItOutEnabled,
+  displayRequestDuration = config.defaults.displayRequestDuration,
+  withCredentials = config.defaults.withCredentials,
+  persistAuthorization = config.defaults.persistAuthorization,
+  oauth2RedirectUrl = config.defaults.oauth2RedirectUrl,
   onComplete = null,
 }) => {
   const [system, setSystem] = useState(null)
@@ -158,10 +152,9 @@ SwaggerUI.propTypes = {
   withCredentials: PropTypes.bool,
   oauth2RedirectUrl: PropTypes.string,
 }
-
 SwaggerUI.System = SwaggerUIConstructor.System
 SwaggerUI.presets = SwaggerUIConstructor.presets
 SwaggerUI.plugins = SwaggerUIConstructor.plugins
-SwaggerUI.defaultOptions = SwaggerUIConstructor.defaultOptions
+SwaggerUI.config = SwaggerUIConstructor.config
 
 export default SwaggerUI
diff --git a/src/core/config/index.js b/src/core/config/index.js
index 3cc73167..bb3058ae 100644
--- a/src/core/config/index.js
+++ b/src/core/config/index.js
@@ -10,3 +10,4 @@ export { default as optionsFromRuntime } from "./sources/runtime"
 export { default as defaultOptions } from "./defaults"
 export { default as mergeOptions } from "./merge"
 export { default as typeCastOptions } from "./type-cast"
+export { default as typeCastMappings } from "./type-cast/mappings"
diff --git a/src/core/config/type-cast/index.js b/src/core/config/type-cast/index.js
index 608e0312..5bd45b0c 100644
--- a/src/core/config/type-cast/index.js
+++ b/src/core/config/type-cast/index.js
@@ -5,10 +5,10 @@ import has from "lodash/has"
 import get from "lodash/get"
 import set from "lodash/fp/set"
 
-import typeCasters from "./mappings"
+import mappings from "./mappings"
 
 const typeCast = (options) => {
-  return Object.entries(typeCasters).reduce(
+  return Object.entries(mappings).reduce(
     (acc, [optionPath, { typeCaster, defaultValue }]) => {
       if (has(acc, optionPath)) {
         const uncasted = get(acc, optionPath)
diff --git a/src/core/config/type-cast/mappings.js b/src/core/config/type-cast/mappings.js
index 8ece1d2f..7ec9b132 100644
--- a/src/core/config/type-cast/mappings.js
+++ b/src/core/config/type-cast/mappings.js
@@ -14,7 +14,7 @@ import syntaxHighlightTypeCaster from "./type-casters/syntax-highlight"
 import undefinedStringTypeCaster from "./type-casters/undefined-string"
 import defaultOptions from "../defaults"
 
-const typeCasters = {
+const mappings = {
   configUrl: { typeCaster: nullableStringTypeCaster },
   deepLinking: {
     typeCaster: booleanTypeCaster,
@@ -112,4 +112,4 @@ const typeCasters = {
   },
 }
 
-export default typeCasters
+export default mappings
diff --git a/src/core/index.js b/src/core/index.js
index 647f3ebc..70657fd5 100644
--- a/src/core/index.js
+++ b/src/core/index.js
@@ -41,14 +41,16 @@ import {
   mergeOptions,
   inlinePluginOptionsFactorization,
   storeOptionsFactorization,
+  typeCastOptions,
+  typeCastMappings,
 } from "./config"
 
-export default function SwaggerUI(userOptions) {
+function SwaggerUI(userOptions) {
   const queryOptions = optionsFromQuery()(userOptions)
   const runtimeOptions = optionsFromRuntime()()
-  let mergedOptions = mergeOptions(
+  let mergedOptions = SwaggerUI.config.merge(
     {},
-    defaultOptions,
+    SwaggerUI.config.defaults,
     runtimeOptions,
     userOptions,
     queryOptions
@@ -66,9 +68,9 @@ export default function SwaggerUI(userOptions) {
     (urlOptions) => {
       const urlOptionsFailedToFetch = urlOptions === null
 
-      mergedOptions = mergeOptions(
+      mergedOptions = SwaggerUI.config.merge(
         {},
-        defaultOptions,
+        SwaggerUI.config.defaults,
         runtimeOptions,
         systemOptions,
         userOptions,
@@ -121,7 +123,12 @@ export default function SwaggerUI(userOptions) {
 
 SwaggerUI.System = System
 
-SwaggerUI.defaultOptions = defaultOptions
+SwaggerUI.config = {
+  defaults: defaultOptions,
+  merge: mergeOptions,
+  typeCast: typeCastOptions,
+  typeCastMappings,
+}
 
 SwaggerUI.presets = {
   base: BasePreset,
@@ -155,3 +162,5 @@ SwaggerUI.plugins = {
   Versions: VersionsPlugin,
   SafeRender: SafeRenderPlugin,
 }
+
+export default SwaggerUI