Define types for seeded release data

Tried my best to derive these from
lib/MusicBrainz/Server/Controller/ReleaseEditor.pm.

Author: mwiencek

root/types/releaseeditor.js

@@ -0,0 +1,95 @@
+/*
+ * @flow strict
+ * Copyright (C) 2025 MetaBrainz Foundation
+ *
+ * This file is part of MusicBrainz, the open internet music database,
+ * and is licensed under the GPL version 2, or (at your option) any
+ * later version: http://www.gnu.org/licenses/gpl-2.0.txt
+ */
+
+/* eslint-disable no-unused-vars */
+
+/*
+ * Global release editor types which are referenced from other global type
+ * definitions under root/types/.
+ */
+
+declare type ReleaseEditorSeededArtistCreditNameT = {
+  +artist?: ArtistT | {+name?: string} | null,
+  +joinPhrase: string,
+  +name: string,
+};
+
+declare type ReleaseEditorSeededArtistCreditT = {
+  +names: $ReadOnlyArray<ReleaseEditorSeededArtistCreditNameT | {}> | null,
+};
+
+declare type ReleaseEditorSeededTrackT = {
+  +artistCredit?: ReleaseEditorSeededArtistCreditT | null,
+  +length?: number,
+  +name?: string,
+  +number: StrOrNum,
+  +position: number,
+  +recording?: RecordingT,
+};
+
+declare type ReleaseEditorSeededMediumT = {
+  +format_id?: number,
+  +name?: string,
+  +toc?: string,
+  +tracks?: $ReadOnlyArray<ReleaseEditorSeededTrackT | {}> | null,
+};
+
+declare type ReleaseEditorSeededReleaseGroupT =
+  | ReleaseGroupT
+  | {
+      +name: string,
+      +secondaryTypeIDs?: $ReadOnlyArray<number>,
+      +typeID?: number,
+    };
+
+declare type ReleaseEditorSeededReleaseEventT = {
+  +country?: AreaT,
+  +date?: {
+    +day?: number,
+    +month?: number,
+    +year?: number,
+  },
+};
+
+declare type ReleaseEditorSeededReleaseLabelT = {
+  +catalogNumber: string,
+  +label?: LabelT | {+name: string},
+};
+
+declare type ReleaseEditorSeededUrlRelationshipT = {
+  +id: null,
+  +linkTypeID?: number,
+  +target: {
+    +entityType: 'url',
+    +name: string,
+  },
+};
+
+declare type ReleaseEditorSeededReleaseT = {
+  +annotation?: string,
+  +artistCredit?: ReleaseEditorSeededArtistCreditT | null,
+  +barcode?: string,
+  +comment?: string,
+  +events?: $ReadOnlyArray<ReleaseEditorSeededReleaseEventT | {}> | null,
+  +labels?: $ReadOnlyArray<ReleaseEditorSeededReleaseLabelT | {}> | null,
+  +languageID?: number,
+  +mediums?: $ReadOnlyArray<ReleaseEditorSeededMediumT> | null,
+  +name?: string,
+  +packagingID?: number,
+  +relationships?:
+    $ReadOnlyArray<ReleaseEditorSeededUrlRelationshipT | {}> | null,
+  +releaseGroup?: ReleaseEditorSeededReleaseGroupT | null,
+  +scriptID?: number,
+  +statusID?: number,
+};
+
+declare type ReleaseEditorSeedT = {
+  +errors: $ReadOnlyArray<string>,
+  +seed: ReleaseEditorSeededReleaseT,
+};