diff --git a/.gitignore b/.gitignore
index b667888f..6b3d376f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,6 +10,7 @@ Homestead.yaml
 npm-debug.log
 yarn-error.log
 /.idea
+/lsp
 # Custom paths in /public
 /public/coverage
 /public/files
diff --git a/app/Http/Controllers/MicropubController.php b/app/Http/Controllers/MicropubController.php
index 4bc251af..1a3620c2 100644
--- a/app/Http/Controllers/MicropubController.php
+++ b/app/Http/Controllers/MicropubController.php
@@ -6,13 +6,12 @@ namespace App\Http\Controllers;
 
 use App\Exceptions\InvalidTokenException;
 use App\Jobs\ProcessMedia;
-use App\Models\{Like, Media, Note, Place};
+use App\Models\{Media, Place};
 use App\Services\Micropub\{HCardService, HEntryService, UpdateService};
 use App\Services\TokenService;
-use Illuminate\Http\File;
-use Illuminate\Http\JsonResponse;
-use Illuminate\Http\UploadedFile;
-use Illuminate\Http\{Request, Response};
+use Exception;
+use Illuminate\Contracts\Container\BindingResolutionException;
+use Illuminate\Http\{File, JsonResponse, Response, UploadedFile};
 use Illuminate\Support\Facades\Storage;
 use Intervention\Image\Exception\NotReadableException;
 use Intervention\Image\ImageManager;
@@ -42,9 +41,9 @@ class MicropubController extends Controller
 
     /**
      * This function receives an API request, verifies the authenticity
-     * then passes over the info to the relavent Service class.
+     * then passes over the info to the relevant Service class.
      *
-     * @return \Illuminate\Http\JsonResponse
+     * @return JsonResponse
      */
     public function post(): JsonResponse
     {
@@ -102,11 +101,11 @@ class MicropubController extends Controller
      * Respond to a GET request to the micropub endpoint.
      *
      * A GET request has been made to `api/post` with an accompanying
-     * token, here we check wether the token is valid and respond
+     * token, here we check whether the token is valid and respond
      * appropriately. Further if the request has the query parameter
-     * synidicate-to we respond with the known syndication endpoints.
+     * syndicate-to we respond with the known syndication endpoints.
      *
-     * @return \Illuminate\Http\JsonResponse
+     * @return JsonResponse
      */
     public function get(): JsonResponse
     {
@@ -131,7 +130,7 @@ class MicropubController extends Controller
 
         if (request()->has('q') && substr(request()->input('q'), 0, 4) === 'geo:') {
             preg_match_all(
-                '/([0-9\.\-]+)/',
+                '/([0-9.\-]+)/',
                 request()->input('q'),
                 $matches
             );
@@ -158,7 +157,9 @@ class MicropubController extends Controller
     /**
      * Process a media item posted to the media endpoint.
      *
-     * @return Illuminate\Http\JsonResponse
+     * @return JsonResponse
+     * @throws BindingResolutionException
+     * @throws Exception
      */
     public function media(): JsonResponse
     {
@@ -220,9 +221,9 @@ class MicropubController extends Controller
     }
 
     /**
-     * Return the relavent CORS headers to a pre-flight OPTIONS request.
+     * Return the relevant CORS headers to a pre-flight OPTIONS request.
      *
-     * @return \Illuminate\Http\Response
+     * @return Response
      */
     public function mediaOptionsResponse(): Response
     {
@@ -230,12 +231,12 @@ class MicropubController extends Controller
     }
 
     /**
-     * Get the file type from the mimetype of the uploaded file.
+     * Get the file type from the mime-type of the uploaded file.
      *
-     * @param  string  $mimetype
+     * @param string $mimeType
      * @return string
      */
-    private function getFileTypeFromMimeType(string $mimetype): string
+    private function getFileTypeFromMimeType(string $mimeType): string
     {
         //try known images
         $imageMimeTypes = [
@@ -246,7 +247,7 @@ class MicropubController extends Controller
             'image/tiff',
             'image/webp',
         ];
-        if (in_array($mimetype, $imageMimeTypes)) {
+        if (in_array($mimeType, $imageMimeTypes)) {
             return 'image';
         }
         //try known video
@@ -257,7 +258,7 @@ class MicropubController extends Controller
             'video/quicktime',
             'video/webm',
         ];
-        if (in_array($mimetype, $videoMimeTypes)) {
+        if (in_array($mimeType, $videoMimeTypes)) {
             return 'video';
         }
         //try known audio types
@@ -267,7 +268,7 @@ class MicropubController extends Controller
             'audio/ogg',
             'audio/x-m4a',
         ];
-        if (in_array($mimetype, $audioMimeTypes)) {
+        if (in_array($mimeType, $audioMimeTypes)) {
             return 'audio';
         }
 
@@ -289,7 +290,7 @@ class MicropubController extends Controller
     /**
      * Save the details of the micropub request to a log file.
      *
-     * @param  array  $request This is the info from request()->all()
+     * @param array $request This is the info from request()->all()
      */
     private function logMicropubRequest(array $request)
     {
@@ -301,12 +302,13 @@ class MicropubController extends Controller
     /**
      * Save an uploaded file to the local disk.
      *
-     * @param  \Illuminate\Http\UploadedFele  $file
-     * @return string $filename
+     * @param UploadedFile $file
+     * @return string
+     * @throws Exception
      */
     private function saveFile(UploadedFile $file): string
     {
-        $filename = Uuid::uuid4() . '.' . $file->extension();
+        $filename = Uuid::uuid4()->toString() . '.' . $file->extension();
         Storage::disk('local')->putFileAs('', $file, $filename);
 
         return $filename;
@@ -315,9 +317,9 @@ class MicropubController extends Controller
     /**
      * Generate a response to be returned when the token has insufficient scope.
      *
-     * @return \Illuminate\Http\JsonRepsonse
+     * @return JsonResponse
      */
-    private function insufficientScopeResponse()
+    private function insufficientScopeResponse(): JsonResponse
     {
         return response()->json([
             'response' => 'error',
@@ -329,9 +331,9 @@ class MicropubController extends Controller
     /**
      * Generate a response to be returned when the token is invalid.
      *
-     * @return \Illuminate\Http\JsonRepsonse
+     * @return JsonResponse
      */
-    private function invalidTokenResponse()
+    private function invalidTokenResponse(): JsonResponse
     {
         return response()->json([
             'response' => 'error',
@@ -343,9 +345,9 @@ class MicropubController extends Controller
     /**
      * Generate a response to be returned when the token has no scope.
      *
-     * @return \Illuminate\Http\JsonRepsonse
+     * @return JsonResponse
      */
-    private function tokenHasNoScopeResponse()
+    private function tokenHasNoScopeResponse(): JsonResponse
     {
         return response()->json([
             'response' => 'error',
diff --git a/app/Http/Controllers/WebMentionsController.php b/app/Http/Controllers/WebMentionsController.php
index 69dcf3d3..2b2905db 100644
--- a/app/Http/Controllers/WebMentionsController.php
+++ b/app/Http/Controllers/WebMentionsController.php
@@ -19,7 +19,7 @@ class WebMentionsController extends Controller
      * This is probably someone looking for information about what
      * webmentions are, or about my particular implementation.
      *
-     * @return \Illuminate\View\View
+     * @return View
      */
     public function get(): View
     {
@@ -29,11 +29,11 @@ class WebMentionsController extends Controller
     /**
      * Receive and process a webmention.
      *
-     * @return \Illuminate\Http\Respone
+     * @return Response
      */
     public function receive(): Response
     {
-        //first we trivially reject requets that lack all required inputs
+        //first we trivially reject requests that lack all required inputs
         if ((request()->has('target') !== true) || (request()->has('source') !== true)) {
             return response(
                 'You need both the target and source parameters',
diff --git a/app/Models/Note.php b/app/Models/Note.php
index 344216a7..d1eb94d4 100644
--- a/app/Models/Note.php
+++ b/app/Models/Note.php
@@ -5,28 +5,19 @@ declare(strict_types=1);
 namespace App\Models;
 
 use App\Exceptions\TwitterContentException;
-use Cache;
 use Codebird\Codebird;
 use Exception;
 use GuzzleHttp\Client;
-use Illuminate\Database\Eloquent\Builder;
-use Illuminate\Database\Eloquent\Model;
-use Illuminate\Database\Eloquent\Relations\BelongsTo;
-use Illuminate\Database\Eloquent\Relations\BelongsToMany;
-use Illuminate\Database\Eloquent\Relations\HasMany;
-use Illuminate\Database\Eloquent\Relations\MorphMany;
-use Illuminate\Database\Eloquent\SoftDeletes;
+use Illuminate\Database\Eloquent\Relations\{BelongsTo, BelongsToMany, HasMany, MorphMany};
+use Illuminate\Database\Eloquent\{Builder, Model, SoftDeletes};
+use Illuminate\Support\Facades\Cache;
 use Jonnybarnes\IndieWeb\Numbers;
 use Laravel\Scout\Searchable;
-use League\CommonMark\Block\Element\FencedCode;
-use League\CommonMark\Block\Element\IndentedCode;
-use League\CommonMark\CommonMarkConverter;
-use League\CommonMark\Environment;
+use League\CommonMark\Block\Element\{FencedCode, IndentedCode};
 use League\CommonMark\Ext\Autolink\AutolinkExtension;
+use League\CommonMark\{CommonMarkConverter, Environment};
 use Normalizer;
-use Spatie\CommonMarkHighlighter\FencedCodeRenderer;
-use Spatie\CommonMarkHighlighter\IndentedCodeRenderer;
-use Twitter;
+use Spatie\CommonMarkHighlighter\{FencedCodeRenderer, IndentedCodeRenderer};
 
 class Note extends Model
 {
@@ -146,7 +137,7 @@ class Note extends Model
     /**
      * Normalize the note to Unicode FORM C.
      *
-     * @param  string|null  $value
+     * @param string|null $value
      */
     public function setNoteAttribute(?string $value)
     {
@@ -162,7 +153,7 @@ class Note extends Model
     /**
      * Pre-process notes for web-view.
      *
-     * @param  string|null  $value
+     * @param string|null $value
      * @return string|null
      */
     public function getNoteAttribute(?string $value): ?string
@@ -178,9 +169,8 @@ class Note extends Model
 
         $hcards = $this->makeHCards($value);
         $hashtags = $this->autoLinkHashtag($hcards);
-        $html = $this->convertMarkdown($hashtags);
 
-        return $html;
+        return $this->convertMarkdown($hashtags);
     }
 
     /**
@@ -266,7 +256,7 @@ class Note extends Model
     }
 
     /**
-     * Get the pubdate value for RSS feeds.
+     * Get the publish date value for RSS feeds.
      *
      * @return string
      */
@@ -307,9 +297,9 @@ class Note extends Model
         }
         if ($this->location !== null) {
             $pieces = explode(':', $this->location);
-            $latlng = explode(',', $pieces[0]);
+            $latLng = explode(',', $pieces[0]);
 
-            return (float) trim($latlng[1]);
+            return (float) trim($latLng[1]);
         }
 
         return null;
@@ -375,6 +365,7 @@ class Note extends Model
      * That is we swap the contacts names for their known Twitter handles.
      *
      * @return string
+     * @throws TwitterContentException
      */
     public function getTwitterContentAttribute(): string
     {
@@ -416,9 +407,9 @@ class Note extends Model
     /**
      * Scope a query to select a note via a NewBase60 id.
      *
-     * @param  \Illuminate\Database\Eloquent\Builder  $query
-     * @param  string  $nb60id
-     * @return \Illuminate\Database\Eloquent\Builder
+     * @param Builder $query
+     * @param string $nb60id
+     * @return Builder
      */
     public function scopeNb60(Builder $query, string $nb60id): Builder
     {
@@ -433,7 +424,7 @@ class Note extends Model
      * due to lack of contact info, we assume @username is a twitter handle and link it
      * as such.
      *
-     * @param  string  $text
+     * @param string $text
      * @return string
      */
     private function makeHCards(string $text): string
@@ -444,7 +435,7 @@ class Note extends Model
             return $text;
         }
 
-        $hcards = preg_replace_callback(
+        return preg_replace_callback(
             self::USERNAMES_REGEX,
             function ($matches) {
                 if (is_null($this->contacts[$matches[1]])) {
@@ -462,24 +453,28 @@ class Note extends Model
             },
             $text
         );
-
-        return $hcards;
     }
 
     /**
      * Get the value of the `contacts` property.
+     *
+     * @return array
      */
-    public function getContacts()
+    public function getContacts(): array
     {
         if ($this->contacts === null) {
             $this->setContacts();
         }
+
+        return $this->contacts;
     }
 
     /**
      * Process the note and save the contacts to the `contacts` property.
+     *
+     * @return void
      */
-    public function setContacts()
+    public function setContacts(): void
     {
         $contacts = [];
         if ($this->getOriginal('note')) {
@@ -500,7 +495,7 @@ class Note extends Model
      * `#[\-_a-zA-Z0-9]+` and wraps them in an `a` element with
      * `rel=tag` set and a `href` of 'section/tagged/' + tagname without the #.
      *
-     * @param  string  $note
+     * @param string $note
      * @return string
      */
     public function autoLinkHashtag(string $note): string
@@ -519,7 +514,7 @@ class Note extends Model
     /**
      * Pass a note through the commonmark library.
      *
-     * @param  string  $note
+     * @param string $note
      * @return string
      */
     private function convertMarkdown(string $note): string
@@ -536,15 +531,15 @@ class Note extends Model
     /**
      * Do a reverse geocode lookup of a `lat,lng` value.
      *
-     * @param  float  $latitude
-     * @param  float  $longitude
+     * @param float $latitude
+     * @param float $longitude
      * @return string
      */
     public function reverseGeoCode(float $latitude, float $longitude): string
     {
-        $latlng = $latitude . ',' . $longitude;
+        $latLng = $latitude . ',' . $longitude;
 
-        return Cache::get($latlng, function () use ($latlng, $latitude, $longitude) {
+        return Cache::get($latLng, function () use ($latLng, $latitude, $longitude) {
             $guzzle = resolve(Client::class);
             $response = $guzzle->request('GET', 'https://nominatim.openstreetmap.org/reverse', [
                 'query' => [
@@ -567,7 +562,7 @@ class Note extends Model
                     . '</span>, <span class="p-country-name">'
                     . $json->address->country
                     . '</span>';
-                Cache::forever($latlng, $address);
+                Cache::forever($latLng, $address);
 
                 return $address;
             }
@@ -577,7 +572,7 @@ class Note extends Model
                     . '</span>, <span class="p-country-name">'
                     . $json->address->country
                     . '</span>';
-                Cache::forever($latlng, $address);
+                Cache::forever($latLng, $address);
 
                 return $address;
             }
@@ -587,12 +582,12 @@ class Note extends Model
                     . '</span>, <span class="p-country-name">'
                     . $json->address->country
                     . '</span>';
-                Cache::forever($latlng, $address);
+                Cache::forever($latLng, $address);
 
                 return $address;
             }
             $address = '<span class="p-country-name">' . $json->address->country . '</span>';
-            Cache::forever($latlng, $address);
+            Cache::forever($latLng, $address);
 
             return $address;
         });
diff --git a/app/Models/Place.php b/app/Models/Place.php
index d045a26c..1fc083f2 100644
--- a/app/Models/Place.php
+++ b/app/Models/Place.php
@@ -5,8 +5,8 @@ declare(strict_types=1);
 namespace App\Models;
 
 use Cviebrock\EloquentSluggable\Sluggable;
-use Illuminate\Database\Eloquent\Builder;
-use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+use Illuminate\Database\Eloquent\{Builder, Model};
 use Illuminate\Support\Facades\DB;
 use Illuminate\Support\Str;
 use Phaza\LaravelPostgis\Eloquent\PostgisTrait;
@@ -52,7 +52,7 @@ class Place extends Model
     /**
      * Define the relationship with Notes.
      *
-     * @return \Illuminate\Database\Eloquent\Relations\HasMany
+     * @return HasMany
      */
     public function notes()
     {
@@ -62,12 +62,12 @@ class Place extends Model
     /**
      * Select places near a given location.
      *
-     * @param  \Illuminate\Database\Eloquent\Builder  $query
-     * @param  \Phaza\LaravelPostgis\Geometries\Point  $point
-     * @param  int  $distance
-     * @return \Illuminate\Database\Eloquent\Builder
+     * @param Builder $query
+     * @param Point $point
+     * @param int $distance
+     * @return Builder
      */
-    public function scopeNear(Builder $query, Point $point, $distance = 1000): Builder
+    public function scopeNear(Builder $query, Point $point, int $distance = 1000): Builder
     {
         $field = DB::raw(
             sprintf(
@@ -83,9 +83,9 @@ class Place extends Model
     /**
      * Select places based on a URL.
      *
-     * @param  \Illuminate\Database\Eloquent\Builder  $query
-     * @param  string  $url
-     * @return \Illuminate\Database\Eloquent\Builder
+     * @param Builder $query
+     * @param string $url
+     * @return Builder
      */
     public function scopeWhereExternalURL(Builder $query, string $url): Builder
     {
diff --git a/app/Services/NoteService.php b/app/Services/NoteService.php
index e7a5dd9f..2a1249c0 100644
--- a/app/Services/NoteService.php
+++ b/app/Services/NoteService.php
@@ -15,7 +15,7 @@ class NoteService
      *
      * @param  array  $request Data from request()->all()
      * @param  string  $client
-     * @return \App\Note
+     * @return Note
      */
     public function createNote(array $request, ?string $client = null): Note
     {
@@ -61,7 +61,7 @@ class NoteService
     /**
      * Get the content from the request to create a new note.
      *
-     * @param  array  $request Data from request()->all()
+     * @param array $request Data from request()->all()
      * @return string|null
      */
     private function getContent(array $request): ?string
@@ -79,7 +79,7 @@ class NoteService
     /**
      * Get the in-reply-to from the request to create a new note.
      *
-     * @param  array  $request Data from request()->all()
+     * @param array $request Data from request()->all()
      * @return string|null
      */
     private function getInReplyTo(array $request): ?string
@@ -94,7 +94,7 @@ class NoteService
     /**
      * Get the published time from the request to create a new note.
      *
-     * @param  array  $request Data from request()->all()
+     * @param array $request Data from request()->all()
      * @return string|null
      */
     private function getPublished(array $request): ?string
@@ -113,7 +113,7 @@ class NoteService
     /**
      * Get the location data from the request to create a new note.
      *
-     * @param  array  $request Data from request()->all()
+     * @param array $request Data from request()->all()
      * @return string|null
      */
     private function getLocation(array $request): ?string
@@ -135,8 +135,8 @@ class NoteService
     /**
      * Get the checkin data from the request to create a new note. This will be a Place.
      *
-     * @param  array  $request Data from request()->all()
-     * @return \App\Models\Place|null
+     * @param array $request Data from request()->all()
+     * @return Place|null
      */
     private function getCheckin(array $request): ?Place
     {
@@ -181,7 +181,7 @@ class NoteService
     /**
      * Get the Swarm URL from the syndication data in the request to create a new note.
      *
-     * @param  array  $request Data from request()->all()
+     * @param array $request Data from request()->all()
      * @return string|null
      */
     private function getSwarmUrl(array $request): ?string
@@ -196,7 +196,7 @@ class NoteService
     /**
      * Get the syndication targets from the request to create a new note.
      *
-     * @param  array  $request Data from request()->all()
+     * @param array $request Data from request()->all()
      * @return array
      */
     private function getSyndicationTargets(array $request): array
@@ -225,7 +225,7 @@ class NoteService
     /**
      * Get the media URLs from the request to create a new note.
      *
-     * @param  array  $request Data from request()->all()
+     * @param array $request Data from request()->all()
      * @return array
      */
     private function getMedia(array $request): array
@@ -255,7 +255,7 @@ class NoteService
     /**
      * Get the Instagram photo URL from the request to create a new note.
      *
-     * @param  array  $request Data from request()->all()
+     * @param array $request Data from request()->all()
      * @return string|null
      */
     private function getInstagramUrl(array $request): ?string
diff --git a/app/Services/PlaceService.php b/app/Services/PlaceService.php
index fb0972b9..44436735 100644
--- a/app/Services/PlaceService.php
+++ b/app/Services/PlaceService.php
@@ -13,8 +13,8 @@ class PlaceService
     /**
      * Create a place.
      *
-     * @param  array $data
-     * @return \App\Place
+     * @param array $data
+     * @return Place
      */
     public function createPlace(array $data): Place
     {
@@ -39,9 +39,9 @@ class PlaceService
     }
 
     /**
-     * Create a place from a h-card checkin, for exameple from OwnYourSwarm.
+     * Create a place from a h-card checkin, for example from OwnYourSwarm.
      *
-     * @param  array
+     * @param array
      * @return Place
      */
     public function createPlaceFromCheckin(array $checkin): Place
diff --git a/composer.json b/composer.json
index d3dedf49..cd623b16 100644
--- a/composer.json
+++ b/composer.json
@@ -48,7 +48,8 @@
         "laravel/dusk": "^5.0",
         "mockery/mockery": "^1.0",
         "nunomaduro/collision": "^3.0",
-        "phpunit/phpunit": "^8.0"
+        "phpunit/phpunit": "^8.0",
+        "vimeo/psalm": "^3.9"
     },
     "config": {
         "optimize-autoloader": true,
diff --git a/composer.lock b/composer.lock
index 6f947169..bf23099b 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "f7027161a4f7bc4bf2f2251b1b4a6454",
+    "content-hash": "ab0e02f2dd90d748de298e6bd0929420",
     "packages": [
         {
             "name": "aws/aws-sdk-php",
@@ -6083,6 +6083,142 @@
         }
     ],
     "packages-dev": [
+        {
+            "name": "amphp/amp",
+            "version": "v2.4.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/amphp/amp.git",
+                "reference": "2ac3b550c4997f2ec304faa63c8b2885079a2dc4"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/amphp/amp/zipball/2ac3b550c4997f2ec304faa63c8b2885079a2dc4",
+                "reference": "2ac3b550c4997f2ec304faa63c8b2885079a2dc4",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=7"
+            },
+            "require-dev": {
+                "amphp/php-cs-fixer-config": "dev-master",
+                "amphp/phpunit-util": "^1",
+                "ext-json": "*",
+                "phpstan/phpstan": "^0.8.5",
+                "phpunit/phpunit": "^6.0.9 | ^7",
+                "react/promise": "^2"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "2.0.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Amp\\": "lib"
+                },
+                "files": [
+                    "lib/functions.php",
+                    "lib/Internal/functions.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Daniel Lowrey",
+                    "email": "rdlowrey@php.net"
+                },
+                {
+                    "name": "Aaron Piotrowski",
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+            ],
+            "description": "A robust cross-platform utility for normalizing, comparing and modifying file paths.",
+            "time": "2015-12-17T08:42:14+00:00"
         }
     ],
     "aliases": [],
diff --git a/psalm.xml b/psalm.xml
new file mode 100644
index 00000000..928f5fd8
--- /dev/null
+++ b/psalm.xml
@@ -0,0 +1,24 @@
+<?xml version="1.0"?>
+<psalm
+    totallyTyped="false"
+    errorLevel="7"
+    resolveFromConfigFile="true"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xmlns="https://getpsalm.org/schema/config"
+    xsi:schemaLocation="https://getpsalm.org/schema/config vendor/vimeo/psalm/config.xsd"
+>
+    <projectFiles>
+        <directory name="app" />
+        <ignoreFiles>
+            <directory name="vendor" />
+        </ignoreFiles>
+    </projectFiles>
+
+    <issueHandlers>
+        <InvalidStaticInvocation>
+            <errorLevel type="suppress">
+                <file name="app/Providers/RouteServiceProvider.php" />
+            </errorLevel>
+        </InvalidStaticInvocation>
+    </issueHandlers>
+</psalm>