diff --git a/etc/firebase-admin.app.api.md b/etc/firebase-admin.app.api.md
index a6ad65cd57..4546fe7824 100644
--- a/etc/firebase-admin.app.api.md
+++ b/etc/firebase-admin.app.api.md
@@ -14,6 +14,32 @@ export interface App {
     options: AppOptions;
 }
 
+// @public
+export class AppErrorCodes {
+    // (undocumented)
+    static APP_DELETED: string;
+    // (undocumented)
+    static DUPLICATE_APP: string;
+    // (undocumented)
+    static INTERNAL_ERROR: string;
+    // (undocumented)
+    static INVALID_APP_NAME: string;
+    // (undocumented)
+    static INVALID_APP_OPTIONS: string;
+    // (undocumented)
+    static INVALID_ARGUMENT: string;
+    // (undocumented)
+    static INVALID_CREDENTIAL: string;
+    // (undocumented)
+    static NETWORK_ERROR: string;
+    // (undocumented)
+    static NETWORK_TIMEOUT: string;
+    // (undocumented)
+    static NO_APP: string;
+    // (undocumented)
+    static UNABLE_TO_PARSE_RESPONSE: string;
+}
+
 // @public
 export function applicationDefault(httpAgent?: Agent): Credential;
 
@@ -39,6 +65,12 @@ export interface Credential {
 // @public
 export function deleteApp(app: App): Promise<void>;
 
+// Warning: (ae-forgotten-export) The symbol "PrefixedFirebaseError" needs to be exported by the entry point index.d.ts
+//
+// @public
+export class FirebaseAppError extends PrefixedFirebaseError {
+}
+
 // @public
 export interface FirebaseArrayIndexError {
     error: FirebaseError;
diff --git a/etc/firebase-admin.auth.api.md b/etc/firebase-admin.auth.api.md
index 3723abd051..d921458bec 100644
--- a/etc/firebase-admin.auth.api.md
+++ b/etc/firebase-admin.auth.api.md
@@ -55,6 +55,480 @@ export class Auth extends BaseAuth {
     tenantManager(): TenantManager;
 }
 
+// @public
+export class AuthClientErrorCode {
+    // (undocumented)
+    static AUTH_BLOCKING_TOKEN_EXPIRED: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static BILLING_NOT_ENABLED: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static CLAIMS_TOO_LARGE: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static CONFIGURATION_EXISTS: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static CONFIGURATION_NOT_FOUND: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static EMAIL_ALREADY_EXISTS: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static EMAIL_NOT_FOUND: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static FORBIDDEN_CLAIM: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static ID_TOKEN_EXPIRED: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static ID_TOKEN_REVOKED: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static INSUFFICIENT_PERMISSION: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static INTERNAL_ERROR: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static INVALID_ARGUMENT: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static INVALID_CLAIMS: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static INVALID_CONFIG: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static INVALID_CONTINUE_URI: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static INVALID_CREATION_TIME: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static INVALID_CREDENTIAL: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static INVALID_DISABLED_FIELD: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static INVALID_DISPLAY_NAME: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static INVALID_DYNAMIC_LINK_DOMAIN: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static INVALID_EMAIL: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static INVALID_EMAIL_VERIFIED: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static INVALID_ENROLLED_FACTORS: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static INVALID_ENROLLMENT_TIME: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static INVALID_HASH_ALGORITHM: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static INVALID_HASH_BLOCK_SIZE: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static INVALID_HASH_DERIVED_KEY_LENGTH: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static INVALID_HASH_KEY: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static INVALID_HASH_MEMORY_COST: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static INVALID_HASH_PARALLELIZATION: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static INVALID_HASH_ROUNDS: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static INVALID_HASH_SALT_SEPARATOR: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static INVALID_ID_TOKEN: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static INVALID_LAST_SIGN_IN_TIME: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static INVALID_NAME: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static INVALID_NEW_EMAIL: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static INVALID_OAUTH_CLIENT_ID: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static INVALID_OAUTH_RESPONSETYPE: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static INVALID_PAGE_TOKEN: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static INVALID_PASSWORD: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static INVALID_PASSWORD_HASH: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static INVALID_PASSWORD_SALT: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static INVALID_PHONE_NUMBER: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static INVALID_PHOTO_URL: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static INVALID_PROJECT_ID: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static INVALID_PROVIDER_DATA: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static INVALID_PROVIDER_ID: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static INVALID_PROVIDER_UID: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static INVALID_RECAPTCHA_ACTION: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static INVALID_RECAPTCHA_ENFORCEMENT_STATE: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static INVALID_SESSION_COOKIE_DURATION: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static INVALID_TENANT_ID: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static INVALID_TENANT_TYPE: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static INVALID_TESTING_PHONE_NUMBER: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static INVALID_TOKENS_VALID_AFTER_TIME: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static INVALID_UID: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static INVALID_USER_IMPORT: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static MAXIMUM_TEST_PHONE_NUMBER_EXCEEDED: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static MAXIMUM_USER_COUNT_EXCEEDED: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static MISMATCHING_TENANT_ID: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static MISSING_ANDROID_PACKAGE_NAME: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static MISSING_CONFIG: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static MISSING_CONTINUE_URI: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static MISSING_DISPLAY_NAME: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static MISSING_EMAIL: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static MISSING_HASH_ALGORITHM: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static MISSING_IOS_BUNDLE_ID: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static MISSING_ISSUER: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static MISSING_OAUTH_CLIENT_ID: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static MISSING_OAUTH_CLIENT_SECRET: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static MISSING_PROVIDER_ID: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static MISSING_SAML_RELYING_PARTY_CONFIG: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static MISSING_UID: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static NOT_FOUND: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static OPERATION_NOT_ALLOWED: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static PHONE_NUMBER_ALREADY_EXISTS: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static PROJECT_NOT_FOUND: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static QUOTA_EXCEEDED: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static RECAPTCHA_NOT_ENABLED: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static SECOND_FACTOR_LIMIT_EXCEEDED: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static SECOND_FACTOR_UID_ALREADY_EXISTS: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static SESSION_COOKIE_EXPIRED: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static SESSION_COOKIE_REVOKED: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static TENANT_NOT_FOUND: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static UID_ALREADY_EXISTS: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static UNAUTHORIZED_DOMAIN: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static UNSUPPORTED_FIRST_FACTOR: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static UNSUPPORTED_SECOND_FACTOR: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static UNSUPPORTED_TENANT_OPERATION: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static UNVERIFIED_EMAIL: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static USER_DISABLED: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static USER_NOT_DISABLED: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static USER_NOT_FOUND: {
+        code: string;
+        message: string;
+    };
+}
+
 // @public
 export type AuthFactorType = 'phone';
 
@@ -249,6 +723,12 @@ export interface EmailSignInProviderConfig {
     passwordRequired?: boolean;
 }
 
+// Warning: (ae-forgotten-export) The symbol "PrefixedFirebaseError" needs to be exported by the entry point index.d.ts
+//
+// @public
+export class FirebaseAuthError extends PrefixedFirebaseError {
+}
+
 // @public
 export function getAuth(app?: App): Auth;
 
diff --git a/etc/firebase-admin.database.api.md b/etc/firebase-admin.database.api.md
index e2411ce4be..1778f75d51 100644
--- a/etc/firebase-admin.database.api.md
+++ b/etc/firebase-admin.database.api.md
@@ -30,6 +30,12 @@ export const enableLogging: typeof rtdb.enableLogging;
 
 export { EventType }
 
+// Warning: (ae-forgotten-export) The symbol "FirebaseError" needs to be exported by the entry point index.d.ts
+//
+// @public
+export class FirebaseDatabaseError extends FirebaseError {
+}
+
 // Warning: (ae-forgotten-export) The symbol "App" needs to be exported by the entry point index.d.ts
 //
 // @public
diff --git a/etc/firebase-admin.firestore.api.md b/etc/firebase-admin.firestore.api.md
index 80c0e5d9c3..8f29baeab3 100644
--- a/etc/firebase-admin.firestore.api.md
+++ b/etc/firebase-admin.firestore.api.md
@@ -102,6 +102,12 @@ export { FieldValue }
 
 export { Filter }
 
+// Warning: (ae-forgotten-export) The symbol "FirebaseError" needs to be exported by the entry point index.d.ts
+//
+// @public
+export class FirebaseFirestoreError extends FirebaseError {
+}
+
 export { Firestore }
 
 export { FirestoreDataConverter }
diff --git a/etc/firebase-admin.installations.api.md b/etc/firebase-admin.installations.api.md
index 4a4d11e06f..56496ef135 100644
--- a/etc/firebase-admin.installations.api.md
+++ b/etc/firebase-admin.installations.api.md
@@ -8,6 +8,12 @@
 
 import { Agent } from 'http';
 
+// Warning: (ae-forgotten-export) The symbol "FirebaseError" needs to be exported by the entry point index.d.ts
+//
+// @public
+export class FirebaseInstallationsError extends FirebaseError {
+}
+
 // Warning: (ae-forgotten-export) The symbol "App" needs to be exported by the entry point index.d.ts
 //
 // @public
@@ -19,4 +25,28 @@ export class Installations {
     deleteInstallation(fid: string): Promise<void>;
 }
 
+// @public (undocumented)
+export class InstallationsClientErrorCode {
+    // (undocumented)
+    static API_ERROR: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static INVALID_ARGUMENT: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static INVALID_INSTALLATION_ID: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static INVALID_PROJECT_ID: {
+        code: string;
+        message: string;
+    };
+}
+
 ```
diff --git a/etc/firebase-admin.instance-id.api.md b/etc/firebase-admin.instance-id.api.md
index 2e2a43f642..9c28852a2c 100644
--- a/etc/firebase-admin.instance-id.api.md
+++ b/etc/firebase-admin.instance-id.api.md
@@ -8,6 +8,12 @@
 
 import { Agent } from 'http';
 
+// Warning: (ae-forgotten-export) The symbol "FirebaseError" needs to be exported by the entry point index.d.ts
+//
+// @public
+export class FirebaseInstanceIdError extends FirebaseError {
+}
+
 // Warning: (ae-forgotten-export) The symbol "App" needs to be exported by the entry point index.d.ts
 //
 // @public @deprecated
@@ -19,4 +25,15 @@ export class InstanceId {
     deleteInstanceId(instanceId: string): Promise<void>;
 }
 
+// Warning: (ae-forgotten-export) The symbol "InstallationsClientErrorCode" needs to be exported by the entry point index.d.ts
+//
+// @public (undocumented)
+export class InstanceIdClientErrorCode extends InstallationsClientErrorCode {
+    // (undocumented)
+    static INVALID_INSTANCE_ID: {
+        code: string;
+        message: string;
+    };
+}
+
 ```
diff --git a/etc/firebase-admin.messaging.api.md b/etc/firebase-admin.messaging.api.md
index e9465a8e2d..4b8e6c1ed3 100644
--- a/etc/firebase-admin.messaging.api.md
+++ b/etc/firebase-admin.messaging.api.md
@@ -165,6 +165,12 @@ export interface FcmOptions {
     analyticsLabel?: string;
 }
 
+// Warning: (ae-forgotten-export) The symbol "PrefixedFirebaseError" needs to be exported by the entry point index.d.ts
+//
+// @public
+export class FirebaseMessagingError extends PrefixedFirebaseError {
+}
+
 // Warning: (ae-forgotten-export) The symbol "App" needs to be exported by the entry point index.d.ts
 //
 // @public
@@ -200,6 +206,105 @@ export class Messaging {
     unsubscribeFromTopic(registrationTokenOrTokens: string | string[], topic: string): Promise<MessagingTopicManagementResponse>;
 }
 
+// @public
+export class MessagingClientErrorCode {
+    // (undocumented)
+    static AUTHENTICATION_ERROR: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static DEVICE_MESSAGE_RATE_EXCEEDED: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static INTERNAL_ERROR: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static INVALID_ARGUMENT: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static INVALID_DATA_PAYLOAD_KEY: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static INVALID_OPTIONS: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static INVALID_PACKAGE_NAME: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static INVALID_PAYLOAD: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static INVALID_RECIPIENT: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static INVALID_REGISTRATION_TOKEN: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static MESSAGE_RATE_EXCEEDED: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static MISMATCHED_CREDENTIAL: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static PAYLOAD_SIZE_LIMIT_EXCEEDED: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static REGISTRATION_TOKEN_NOT_REGISTERED: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static SERVER_UNAVAILABLE: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static THIRD_PARTY_AUTH_ERROR: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static TOO_MANY_TOPICS: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static TOPICS_MESSAGE_RATE_EXCEEDED: {
+        code: string;
+        message: string;
+    };
+    // (undocumented)
+    static UNKNOWN_ERROR: {
+        code: string;
+        message: string;
+    };
+}
+
 // @public
 export interface MessagingConditionResponse {
     messageId: number;
diff --git a/etc/firebase-admin.project-management.api.md b/etc/firebase-admin.project-management.api.md
index 2b8d28297c..8f59f54642 100644
--- a/etc/firebase-admin.project-management.api.md
+++ b/etc/firebase-admin.project-management.api.md
@@ -43,6 +43,12 @@ export enum AppPlatform {
     PLATFORM_UNKNOWN = "PLATFORM_UNKNOWN"
 }
 
+// Warning: (ae-forgotten-export) The symbol "PrefixedFirebaseError" needs to be exported by the entry point index.d.ts
+//
+// @public
+export class FirebaseProjectManagementError extends PrefixedFirebaseError {
+}
+
 // Warning: (ae-forgotten-export) The symbol "App" needs to be exported by the entry point index.d.ts
 //
 // @public
@@ -79,6 +85,9 @@ export class ProjectManagement {
     shaCertificate(shaHash: string): ShaCertificate;
 }
 
+// @public (undocumented)
+export type ProjectManagementErrorCode = 'already-exists' | 'authentication-error' | 'internal-error' | 'invalid-argument' | 'invalid-project-id' | 'invalid-server-response' | 'not-found' | 'service-unavailable' | 'unknown-error';
+
 // @public
 export class ShaCertificate {
     readonly certType: ('sha1' | 'sha256');
diff --git a/src/utils/error.ts b/src/utils/error.ts
index cdb7faef05..772d808a9a 100644
--- a/src/utils/error.ts
+++ b/src/utils/error.ts
@@ -35,11 +35,13 @@ interface ServerToClientCode {
 
 /**
  * Firebase error code structure. This extends Error.
- *
- * @param errorInfo - The error information (code and message).
- * @constructor
  */
 export class FirebaseError extends Error implements FirebaseErrorInterface {
+  /**
+   * @param errorInfo - The error information (code and message).
+   * @constructor
+   * @internal
+   */
   constructor(private errorInfo: ErrorInfo) {
     super(errorInfo.message);
 
@@ -71,13 +73,15 @@ export class FirebaseError extends Error implements FirebaseErrorInterface {
 
 /**
  * A FirebaseError with a prefix in front of the error code.
- *
- * @param codePrefix - The prefix to apply to the error code.
- * @param code - The error code.
- * @param message - The error message.
- * @constructor
  */
 export class PrefixedFirebaseError extends FirebaseError {
+  /**
+   * @param codePrefix - The prefix to apply to the error code.
+   * @param code - The error code.
+   * @param message - The error message.
+   * @constructor
+   * @internal
+   */
   constructor(private codePrefix: string, code: string, message: string) {
     super({
       code: `${codePrefix}/${code}`,
@@ -105,12 +109,14 @@ export class PrefixedFirebaseError extends FirebaseError {
 
 /**
  * Firebase App error code structure. This extends PrefixedFirebaseError.
- *
- * @param code - The error code.
- * @param message - The error message.
- * @constructor
  */
 export class FirebaseAppError extends PrefixedFirebaseError {
+  /**
+   * @param code - The error code.
+   * @param message - The error message.
+   * @constructor
+   * @internal
+   */
   constructor(code: string, message: string) {
     super('app', code, message);
 
@@ -124,11 +130,6 @@ export class FirebaseAppError extends PrefixedFirebaseError {
 
 /**
  * Firebase Auth error code structure. This extends PrefixedFirebaseError.
- *
- * @param info - The error code info.
- * @param [message] The error message. This will override the default
- *     message if provided.
- * @constructor
  */
 export class FirebaseAuthError extends PrefixedFirebaseError {
   /**
@@ -139,6 +140,7 @@ export class FirebaseAuthError extends PrefixedFirebaseError {
    *     if not provided.
    * @param [rawServerResponse] The error's raw server response.
    * @returns The corresponding developer-facing error.
+   * @internal
    */
   public static fromServerError(
     serverErrorCode: string,
@@ -161,7 +163,7 @@ export class FirebaseAuthError extends PrefixedFirebaseError {
 
     if (clientCodeKey === 'INTERNAL_ERROR' && typeof rawServerResponse !== 'undefined') {
       try {
-        error.message += ` Raw server response: "${ JSON.stringify(rawServerResponse) }"`;
+        error.message += ` Raw server response: "${JSON.stringify(rawServerResponse)}"`;
       } catch (e) {
         // Ignore JSON parsing error.
       }
@@ -170,6 +172,12 @@ export class FirebaseAuthError extends PrefixedFirebaseError {
     return new FirebaseAuthError(error);
   }
 
+  /**
+   * @param info - The error code info.
+   * @param message - The error message. This will override the default message if provided.
+   * @constructor
+   * @internal
+   */
   constructor(info: ErrorInfo, message?: string) {
     // Override default message if custom message provided.
     super('auth', info.code, message || info.message);
@@ -184,13 +192,15 @@ export class FirebaseAuthError extends PrefixedFirebaseError {
 
 /**
  * Firebase Database error code structure. This extends FirebaseError.
- *
- * @param info - The error code info.
- * @param [message] The error message. This will override the default
- *     message if provided.
- * @constructor
  */
 export class FirebaseDatabaseError extends FirebaseError {
+  /**
+   * @param info - The error code info.
+   * @param message - The error message. This will override the default
+   *     message if provided.
+   * @constructor
+   * @internal
+   */
   constructor(info: ErrorInfo, message?: string) {
     // Override default message if custom message provided.
     super({ code: 'database/' + info.code, message: message || info.message });
@@ -199,13 +209,15 @@ export class FirebaseDatabaseError extends FirebaseError {
 
 /**
  * Firebase Firestore error code structure. This extends FirebaseError.
- *
- * @param info - The error code info.
- * @param [message] The error message. This will override the default
- *     message if provided.
- * @constructor
  */
 export class FirebaseFirestoreError extends FirebaseError {
+  /**
+   * @param info - The error code info.
+   * @param message - The error message. This will override the default
+   *     message if provided.
+   * @constructor
+   * @internal
+   */
   constructor(info: ErrorInfo, message?: string) {
     // Override default message if custom message provided.
     super({ code: 'firestore/' + info.code, message: message || info.message });
@@ -214,13 +226,16 @@ export class FirebaseFirestoreError extends FirebaseError {
 
 /**
  * Firebase instance ID error code structure. This extends FirebaseError.
- *
- * @param info - The error code info.
- * @param [message] The error message. This will override the default
- *     message if provided.
- * @constructor
  */
 export class FirebaseInstanceIdError extends FirebaseError {
+  /**
+   * 
+   * @param info - The error code info.
+   * @param message - The error message. This will override the default
+   *     message if provided.
+   * @constructor
+   * @internal
+   */
   constructor(info: ErrorInfo, message?: string) {
     // Override default message if custom message provided.
     super({ code: 'instance-id/' + info.code, message: message || info.message });
@@ -230,13 +245,16 @@ export class FirebaseInstanceIdError extends FirebaseError {
 
 /**
  * Firebase Installations service error code structure. This extends `FirebaseError`.
- *
- * @param info - The error code info.
- * @param message - The error message. This will override the default
- *     message if provided.
- * @constructor
  */
 export class FirebaseInstallationsError extends FirebaseError {
+  /**
+   * 
+   * @param info - The error code info.
+   * @param message - The error message. This will override the default
+   *     message if provided.
+   * @constructor
+   * @internal
+   */
   constructor(info: ErrorInfo, message?: string) {
     // Override default message if custom message provided.
     super({ code: 'installations/' + info.code, message: message || info.message });
@@ -247,10 +265,6 @@ export class FirebaseInstallationsError extends FirebaseError {
 
 /**
  * Firebase Messaging error code structure. This extends PrefixedFirebaseError.
- *
- * @param info - The error code info.
- * @param [message] The error message. This will override the default message if provided.
- * @constructor
  */
 export class FirebaseMessagingError extends PrefixedFirebaseError {
   /**
@@ -261,6 +275,7 @@ export class FirebaseMessagingError extends PrefixedFirebaseError {
    *     if not provided.
    * @param [rawServerResponse] The error's raw server response.
    * @returns The corresponding developer-facing error.
+   * @internal
    */
   public static fromServerError(
     serverErrorCode: string | null,
@@ -277,7 +292,7 @@ export class FirebaseMessagingError extends PrefixedFirebaseError {
 
     if (clientCodeKey === 'UNKNOWN_ERROR' && typeof rawServerResponse !== 'undefined') {
       try {
-        error.message += ` Raw server response: "${ JSON.stringify(rawServerResponse) }"`;
+        error.message += ` Raw server response: "${JSON.stringify(rawServerResponse)}"`;
       } catch (e) {
         // Ignore JSON parsing error.
       }
@@ -286,6 +301,9 @@ export class FirebaseMessagingError extends PrefixedFirebaseError {
     return new FirebaseMessagingError(error);
   }
 
+  /**
+   * @internal
+   */
   public static fromTopicManagementServerError(
     serverErrorCode: string,
     message?: string,
@@ -298,7 +316,7 @@ export class FirebaseMessagingError extends PrefixedFirebaseError {
 
     if (clientCodeKey === 'UNKNOWN_ERROR' && typeof rawServerResponse !== 'undefined') {
       try {
-        error.message += ` Raw server response: "${ JSON.stringify(rawServerResponse) }"`;
+        error.message += ` Raw server response: "${JSON.stringify(rawServerResponse)}"`;
       } catch (e) {
         // Ignore JSON parsing error.
       }
@@ -307,6 +325,13 @@ export class FirebaseMessagingError extends PrefixedFirebaseError {
     return new FirebaseMessagingError(error);
   }
 
+  /**
+   * 
+   * @param info - The error code info.
+   * @param message - The error message. This will override the default message if provided.
+   * @constructor
+   * @internal
+   */
   constructor(info: ErrorInfo, message?: string) {
     // Override default message if custom message provided.
     super('messaging', info.code, message || info.message);
@@ -321,12 +346,14 @@ export class FirebaseMessagingError extends PrefixedFirebaseError {
 
 /**
  * Firebase project management error code structure. This extends PrefixedFirebaseError.
- *
- * @param code - The error code.
- * @param message - The error message.
- * @constructor
  */
 export class FirebaseProjectManagementError extends PrefixedFirebaseError {
+  /**
+   * @param code - The error code.
+   * @param message - The error message.
+   * @constructor
+   * @internal
+   */
   constructor(code: ProjectManagementErrorCode, message: string) {
     super('project-management', code, message);
 
@@ -442,7 +469,7 @@ export class AuthClientErrorCode {
   public static INVALID_DYNAMIC_LINK_DOMAIN = {
     code: 'invalid-dynamic-link-domain',
     message: 'The provided dynamic link domain is not configured or authorized ' +
-             'for the current project.',
+      'for the current project.',
   };
   public static INVALID_EMAIL_VERIFIED = {
     code: 'invalid-email-verified',
@@ -467,7 +494,7 @@ export class AuthClientErrorCode {
   public static INVALID_HASH_ALGORITHM = {
     code: 'invalid-hash-algorithm',
     message: 'The hash algorithm must match one of the strings in the list of ' +
-             'supported algorithms.',
+      'supported algorithms.',
   };
   public static INVALID_HASH_BLOCK_SIZE = {
     code: 'invalid-hash-block-size',
@@ -590,7 +617,7 @@ export class AuthClientErrorCode {
   public static MISSING_ANDROID_PACKAGE_NAME = {
     code: 'missing-android-pkg-name',
     message: 'An Android Package Name must be provided if the Android App is ' +
-             'required to be installed.',
+      'required to be installed.',
   };
   public static MISSING_CONFIG = {
     code: 'missing-config',
@@ -607,7 +634,7 @@ export class AuthClientErrorCode {
   public static MISSING_EMAIL = {
     code: 'missing-email',
     message: 'The email is required for the specified action. For example, a multi-factor user ' +
-             'requires a verified email.',
+      'requires a verified email.',
   };
   public static MISSING_IOS_BUNDLE_ID = {
     code: 'missing-ios-bundle-id',
@@ -620,7 +647,7 @@ export class AuthClientErrorCode {
   public static MISSING_HASH_ALGORITHM = {
     code: 'missing-hash-algorithm',
     message: 'Importing users with password hashes requires that the hashing ' +
-             'algorithm and its parameters be provided.',
+      'algorithm and its parameters be provided.',
   };
   public static MISSING_OAUTH_CLIENT_ID = {
     code: 'missing-oauth-client-id',
@@ -653,8 +680,8 @@ export class AuthClientErrorCode {
   public static OPERATION_NOT_ALLOWED = {
     code: 'operation-not-allowed',
     message: 'The given sign-in provider is disabled for this Firebase project. ' +
-        'Enable it in the Firebase console, under the sign-in method tab of the ' +
-        'Auth section.',
+      'Enable it in the Firebase console, under the sign-in method tab of the ' +
+      'Auth section.',
   };
   public static PHONE_NUMBER_ALREADY_EXISTS = {
     code: 'phone-number-already-exists',
@@ -702,7 +729,7 @@ export class AuthClientErrorCode {
   public static UNAUTHORIZED_DOMAIN = {
     code: 'unauthorized-continue-uri',
     message: 'The domain of the continue URL is not whitelisted. Whitelist the domain in the ' +
-             'Firebase console.',
+      'Firebase console.',
   };
   public static UNSUPPORTED_FIRST_FACTOR = {
     code: 'unsupported-first-factor',
@@ -719,7 +746,7 @@ export class AuthClientErrorCode {
   public static UNVERIFIED_EMAIL = {
     code: 'unverified-email',
     message: 'A verified email is required for the specified action. For example, a multi-factor user ' +
-             'requires a verified email.',
+      'requires a verified email.',
   };
   public static USER_NOT_FOUND = {
     code: 'user-not-found',
@@ -876,15 +903,15 @@ export class InstanceIdClientErrorCode extends InstallationsClientErrorCode {
 }
 
 export type ProjectManagementErrorCode =
-    'already-exists'
-    | 'authentication-error'
-    | 'internal-error'
-    | 'invalid-argument'
-    | 'invalid-project-id'
-    | 'invalid-server-response'
-    | 'not-found'
-    | 'service-unavailable'
-    | 'unknown-error';
+  'already-exists'
+  | 'authentication-error'
+  | 'internal-error'
+  | 'invalid-argument'
+  | 'invalid-project-id'
+  | 'invalid-server-response'
+  | 'not-found'
+  | 'service-unavailable'
+  | 'unknown-error';
 
 /** @const {ServerToClientCode} Auth server to client enum error codes. */
 const AUTH_SERVER_TO_CLIENT_CODE: ServerToClientCode = {