From c06edbe6703dbf3a4c333491626475b3d2034656 Mon Sep 17 00:00:00 2001
From: Gert de Pagter <BackEndTea@users.noreply.github.com>
Date: Thu, 11 Jun 2020 18:42:38 +0200
Subject: [PATCH] Add phpstan conflict (#203)

Versions before 0.12.20 did not understand mixins.
The next release may break phpstan for users if they use any of the `all*` or `nullOr*` methods.
---
 composer.json | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/composer.json b/composer.json
index 664c8eb0..bb478f57 100644
--- a/composer.json
+++ b/composer.json
@@ -21,7 +21,8 @@
         "phpunit/phpunit": "^4.8.36 || ^7.5.13"
     },
     "conflict": {
-        "vimeo/psalm": "<3.9.1"
+        "vimeo/psalm": "<3.9.1",
+        "phpstan/phpstan": "<0.12.20"
     },
     "autoload": {
         "psr-4": {