src/vs/platform/userDataSync/common/abstractSynchronizer.ts/AbstractSynchroniser/updateConflicts
class AbstractSynchroniser:	private updateConflicts(resourcePreviews: IEditableResourcePreview[]): void {
		const conflicts = resourcePreviews.filter(({ mergeState }) => mergeState === MergeState.Conflict);
		if (!equals(this._conflicts, conflicts, (a, b) => this.extUri.isEqual(a.previewResource, b.previewResource))) {
			this._conflicts = conflicts;
			this._onDidChangeConflicts.fire(this.conflicts);
		}
	}