diff --git a/.github/workflows/phpunit.yml b/.github/workflows/phpunit.yml
index a241592..d55d706 100644
--- a/.github/workflows/phpunit.yml
+++ b/.github/workflows/phpunit.yml
@@ -7,8 +7,8 @@ jobs:
     runs-on: ${{ matrix.operating-system }}
     strategy:
       matrix:
-        operating-system: ['ubuntu-18.04']
-        php-versions: ['7.2', '7.3', '7.4', '8.0']
+        operating-system: ['ubuntu-22.04']
+        php-versions: ['7.4', '8.0']
 
     steps:
       - uses: actions/checkout@v1
diff --git a/composer.json b/composer.json
index 6b1ccf9..7828729 100644
--- a/composer.json
+++ b/composer.json
@@ -8,7 +8,7 @@
         {
             "name": "Sander Marechal",
             "email": "s.marechal@jejik.com",
-            "homepage": "http://www.jejik.com"
+            "homepage": "https://www.jejik.com"
         },
         {
             "name": "powercloud GmbH / Dominic Richter",
@@ -17,10 +17,10 @@
         }
     ],
     "require": {
-        "php": ">=7.2.0||^8.0"
+        "php": ">=7.4.0||^8.0"
     },
     "require-dev": {
-        "phpunit/phpunit": "^8",
+        "phpunit/phpunit": "^9",
         "squizlabs/php_codesniffer": "3.*"
     },
     "autoload": {
diff --git a/lib/Jejik/MT940/Parser/AbstractParser.php b/lib/Jejik/MT940/Parser/AbstractParser.php
index b23ca6c..dcdb20d 100644
--- a/lib/Jejik/MT940/Parser/AbstractParser.php
+++ b/lib/Jejik/MT940/Parser/AbstractParser.php
@@ -244,7 +244,7 @@ protected function splitTransactions(string $text): array
      *
      * @throws \Exception
      */
-    protected function statement(string $text): ?Statement
+    protected function statement(string $text): ?StatementInterface
     {
         $text = trim($text);
         if (($pos = strpos($text, ':20:')) === false) {
@@ -272,7 +272,7 @@ protected function statementHeader(string $text): void
      *
      * @throws \Exception
      */
-    protected function statementBody(string $text): ?Statement
+    protected function statementBody(string $text): ?StatementInterface
     {
         $accountNumber = $this->accountNumber($text);
         $accountCurrency = $this->accountCurrency($text);
@@ -351,10 +351,7 @@ protected function accountCurrency($text): ?string
             if ($line60F = $this->getLine('60F', $text)) {
                 $pcreCurrency = '/(C|D)(\d{6})([A-Z]{3})([0-9,]{1,15})/';
                 preg_match($pcreCurrency, $text, $match);
-                if (isset($match[3])) {
-                    return $match[3];
-                }
-                return null;
+                return $match[3] ?? null;
             }
         }
         return $currency;
@@ -468,7 +465,7 @@ protected function transaction(array $lines): TransactionInterface
             $bookDate = $bookDateCollection[min(array_keys($bookDateCollection))];
         }
 
-        $description = isset($lines[1]) ? $lines[1] : null;
+        $description = $lines[1] ?? null;
         $transaction = $this->reader->createTransaction();
         $transaction
             ->setAmount($amount)
@@ -691,7 +688,7 @@ protected function svwz(array $lines): ?string
     {
         return null;
     }
-    
+
     /**
      * Parse purp for provided transaction lines
      */
@@ -699,7 +696,7 @@ protected function purp(array $lines): ?string
     {
         return null;
     }
-    
+
     /**
      * Parse debt for provided transaction lines
      */
@@ -707,7 +704,7 @@ protected function debt(array $lines): ?string
     {
         return null;
     }
-    
+
     /**
      * Parse coam for provided transaction lines
      */
@@ -715,7 +712,7 @@ protected function coam(array $lines): ?string
     {
         return null;
     }
-    
+
     /**
      * Parse oamt for provided transaction lines
      */
@@ -723,7 +720,7 @@ protected function oamt(array $lines): ?string
     {
         return null;
     }
-    
+
     /**
      * Parse abwa for provided transaction lines
      */
@@ -731,7 +728,7 @@ protected function abwa(array $lines): ?string
     {
         return null;
     }
-    
+
     /**
      * Parse abwe for provided transaction lines
      */
diff --git a/lib/Jejik/MT940/Parser/GermanBank.php b/lib/Jejik/MT940/Parser/GermanBank.php
index 8c0ff59..d8f7d28 100755
--- a/lib/Jejik/MT940/Parser/GermanBank.php
+++ b/lib/Jejik/MT940/Parser/GermanBank.php
@@ -37,7 +37,7 @@ abstract class GermanBank extends AbstractParser
     protected function gvc(array $lines): ?string
     {
         // get :86: line -- it is second in provided array [:61:,:86:,....]
-        $gvcLine = isset($lines[1]) ? $lines[1] : null;
+        $gvcLine = $lines[1] ?? null;
 
         // assure gvc line
         if ($gvcLine == null) {
@@ -55,7 +55,7 @@ protected function gvc(array $lines): ?string
     protected function code(array $lines): ?string
     {
         // get :61: line -- it is first in provided array [:61:,:86:,....]
-        $codeLine = isset($lines[0]) ? $lines[0] : null;
+        $codeLine = $lines[0] ?? null;
 
         // assure code line
         if ($codeLine == null) {
@@ -79,11 +79,11 @@ protected function code(array $lines): ?string
      */
     protected function supplementaryDetails(array $lines): ?string
     {
-        $refLine = isset($lines[0]) ? $lines[0] : null;
+        $refLine = $lines[0] ?? null;
 
         $parts = preg_split("/\\r\\n|\\r|\\n/", $refLine, 2);
 
-        return isset($parts[1]) ? $parts[1] : null;
+        return $parts[1] ?? null;
     }
 
     /**
@@ -91,7 +91,7 @@ protected function supplementaryDetails(array $lines): ?string
      */
     protected function ref(array $lines): ?string
     {
-        $refLine = isset($lines[0]) ? $lines[0] : null;
+        $refLine = $lines[0] ?? null;
 
         // assure ref line
         if ($refLine == null) {
@@ -102,11 +102,7 @@ protected function ref(array $lines): ?string
         preg_match("/(?'valuta'\d{6})(?'bookingdate'\d{4})?(?'debitcreditid'R?(?:C|D))(?'amount'[0-9,]{1,15})(?:\s*)(?'bookingkey'N[a-zA-Z0-9]{3})(?'reference'[a-zA-Z0-9+]+)(?:\/\/)*(?'bankref'[0-9a-zA-Z]{1,16})*/", $refLine, $match);
 
         // assure match
-        if (!isset($match['reference'])) {
-            return null;
-        }
-
-        return $match['reference'];
+        return $match['reference'] ?? null;
     }
 
     /**
@@ -114,7 +110,7 @@ protected function ref(array $lines): ?string
      */
     protected function bankRef(array $lines): ?string
     {
-        $refLine = isset($lines[0]) ? $lines[0] : null;
+        $refLine = $lines[0] ?? null;
 
         // assure ref line
         if ($refLine == null) {
@@ -125,11 +121,7 @@ protected function bankRef(array $lines): ?string
         preg_match("/(?'valuta'\d{6})(?'bookingdate'\d{4})?(?'debitcreditid'R?(?:C|D))(?'amount'[0-9,]{1,15})(?:\s*)(?'bookingkey'N[a-zA-Z0-9]{3})(?'reference'[a-zA-Z0-9+]+)(?:\/\/)*(?'bankref'[0-9a-zA-Z]{1,16})*/", $refLine, $match);
 
         // assure match
-        if (!isset($match['bankref'])) {
-            return null;
-        }
-
-        return $match['bankref'];
+        return $match['bankref'] ?? null;
     }
 
     /**
@@ -138,7 +130,7 @@ protected function bankRef(array $lines): ?string
     protected function txText(array $lines): ?string
     {
         // get :86: line -- it is second in provided array [:61:,:86:,....]
-        $txTextLine = isset($lines[1]) ? $lines[1] : null;
+        $txTextLine = $lines[1] ?? null;
 
         // assure txText line
         if ($txTextLine === null) {
@@ -150,12 +142,7 @@ protected function txText(array $lines): ?string
         preg_match('#\?00([a-zA-Z0-9\-\s\.]+)#', $this->removeNewLinesFromLine($txTextLine), $match);
 
         // assure match
-        if (!isset($match[1])) {
-            return null;
-        }
-
-        // return
-        return $match[1];
+        return $match[1] ?? null;
     }
 
     /**
@@ -164,7 +151,7 @@ protected function txText(array $lines): ?string
     protected function primanota(array $lines): ?string
     {
         // get :86: line -- it is second in provided array [:61:,:86:,....]
-        $primanotaLine = isset($lines[1]) ? $lines[1] : null;
+        $primanotaLine = $lines[1] ?? null;
 
         // assure primanota line
         if ($primanotaLine === null) {
@@ -175,12 +162,7 @@ protected function primanota(array $lines): ?string
         preg_match('#\?10([a-zA-Z0-9/]{1,10})#', $this->removeNewLinesFromLine($primanotaLine), $match);
 
         // assure match
-        if (!isset($match[1])) {
-            return null;
-        }
-
-        // return
-        return $match[1];
+        return $match[1] ?? null;
     }
 
     /**
@@ -189,7 +171,7 @@ protected function primanota(array $lines): ?string
     protected function extCode(array $lines): ?string
     {
         // get :86: line -- it is second in provided array [:61:,:86:,....]
-        $extCodeLine = isset($lines[1]) ? $lines[1] : null;
+        $extCodeLine = $lines[1] ?? null;
 
         // assure extCode line
         if ($extCodeLine === null) {
@@ -199,11 +181,7 @@ protected function extCode(array $lines): ?string
         /** @var string $extCodeLine */
         preg_match('#\?34(\d{3})#', $this->removeNewLinesFromLine($extCodeLine), $match);
 
-        if (!isset($match[1])) {
-            return null;
-        }
-
-        return $match[1];
+        return $match[1] ?? null;
     }
 
     /**
@@ -289,7 +267,7 @@ protected function eref(array $lines): ?string
     protected function bic(array $lines): ?string
     {
         // get :86: line -- it is second in provided array [:61:,:86:,....]
-        $bicLine = isset($lines[1]) ? $lines[1] : null;
+        $bicLine = $lines[1] ?? null;
 
         // assure bic line
         if ($bicLine === null) {
@@ -300,11 +278,7 @@ protected function bic(array $lines): ?string
         preg_match('#\?30([a-zA-Z0-9]+)#', $this->removeNewLinesFromLine($bicLine), $match);
 
         // assure match
-        if (!isset($match[1])) {
-            return null;
-        }
-
-        return $match[1];
+        return $match[1] ?? null;
     }
 
     /**
@@ -313,7 +287,7 @@ protected function bic(array $lines): ?string
     protected function iban(array $lines): ?string
     {
         // get :86: line -- it is second in provided array [:61:,:86:,....]
-        $ibanLine = isset($lines[1]) ? $lines[1] : null;
+        $ibanLine = $lines[1] ?? null;
 
         // assure iban line
         if ($ibanLine == null) {
@@ -325,12 +299,7 @@ protected function iban(array $lines): ?string
         preg_match('#\?31([a-zA-Z0-9]+)#', $this->removeNewLinesFromLine($ibanLine), $match);
 
         // assure match
-        if (!isset($match[1])) {
-            return null;
-        }
-
-        // return
-        return $match[1];
+        return $match[1] ?? null;
     }
 
     /**
@@ -339,7 +308,7 @@ protected function iban(array $lines): ?string
     protected function accountHolder(array $lines): ?string
     {
         // get :86: line -- it is second in provided array [:61:,:86:,....]
-        $accHolderLine = isset($lines[1]) ? $lines[1] : null;
+        $accHolderLine = $lines[1] ?? null;
 
         // assure acc holder line
         if ($accHolderLine == null) {
@@ -378,21 +347,21 @@ protected function accountHolder(array $lines): ?string
     protected function kref(array $lines): ?string
     {
         // get :86: line -- it is second in provided array [:61:,:86:,....]
-        $krefLine = isset($lines[1]) ? $lines[1] : null;
+        $krefLine = $lines[1] ?? null;
 
         // pattern
-        $pattern = 'K(?:\?2[1-9])?R(?:\?2[1-9])?E(?:\?2[1-9])?F(?:\?2[1-9])?\+([a-zA-ZöäüÖÄÜß0-9\./?\+\-\s,]+)(C(?:\?2[1-9])?R(?:\?2[1-9])?E(?:\?2[1-9])?D|S(?:\?2[1-9])?V(?:\?2[1-9])?W(?:\?2[1-9])?Z)';
+        $pattern = '#K(?:\?2[1-9])?R(?:\?2[1-9])?E(?:\?2[1-9])?F(?:\?2[1-9])?\+([a-zA-ZöäüÖÄÜß0-9\./?\+\-\s,]+)(C(?:\?2[1-9])?R(?:\?2[1-9])?E(?:\?2[1-9])?D|S(?:\?2[1-9])?V(?:\?2[1-9])?W(?:\?2[1-9])?Z)#';
 
         /** @var string $krefLine */
-        preg_match("#{$pattern}#", $this->removeNewLinesFromLine($krefLine), $match);
+        preg_match($pattern, $this->removeNewLinesFromLine($krefLine), $match);
 
         // assure match
         if (!isset($match[1])) {
             // try it without CRED|SVWZ info
-            $pattern = 'K(?:\?2[1-9])?R(?:\?2[1-9])?E(?:\?2[1-9])?F(?:\?2[1-9])?\+([a-zA-ZöäüÖÄÜß0-9\./?\+\-\s,]+?)(\?3[0-9])';
+            $pattern = '#K(?:\?2[1-9])?R(?:\?2[1-9])?E(?:\?2[1-9])?F(?:\?2[1-9])?\+([a-zA-ZöäüÖÄÜß0-9\./?\+\-\s,]+?)(\?3[0-9])#';
 
             // match it
-            preg_match("#{$pattern}#", $this->removeNewLinesFromLine($krefLine), $match);
+            preg_match($pattern, $this->removeNewLinesFromLine($krefLine), $match);
         }
 
         // assure match again after avoiding CRED|SVWZ info
@@ -400,7 +369,6 @@ protected function kref(array $lines): ?string
             return null;
         }
 
-        // return
         return preg_replace('#(\?\d{0,2})#', '', $match[1]);
     }
 
@@ -410,12 +378,11 @@ protected function kref(array $lines): ?string
     protected function mref(array $lines): ?string
     {
         // get :86: line -- it is second in provided array [:61:,:86:,....]
-        $mrefLine = isset($lines[1]) ? $lines[1] : null;
+        $mrefLine = $lines[1] ?? null;
 
-        $pattern = 'M(?:\?2[1-9])?R(?:\?2[1-9])?E(?:\?2[1-9])?F(?:\?2[1-9])?\+([a-zA-ZöäüÖÄÜß0-9\./?\+\-\s,]+)(C(?:\?2[1-9])?R(?:\?2[1-9])?E(?:\?2[1-9])?D|S(?:\?2[1-9])?V(?:\?2[1-9])?W(?:\?2[1-9])?Z)';
+        $pattern = '#M(?:\?2[1-9])?R(?:\?2[1-9])?E(?:\?2[1-9])?F(?:\?2[1-9])?\+([a-zA-ZöäüÖÄÜß0-9\./?\+\-\s,]+)(C(?:\?2[1-9])?R(?:\?2[1-9])?E(?:\?2[1-9])?D|S(?:\?2[1-9])?V(?:\?2[1-9])?W(?:\?2[1-9])?Z)#';
 
-        // match it
-        preg_match("#{$pattern}#", $this->removeNewLinesFromLine($mrefLine), $match);
+        preg_match($pattern, $this->removeNewLinesFromLine($mrefLine), $match);
 
         // assure match
         if (!isset($match[1])) {
@@ -431,12 +398,12 @@ protected function mref(array $lines): ?string
     protected function cred(array $lines): ?string
     {
         // get :86: line -- it is second in provided array [:61:,:86:,....]
-        $credLine = isset($lines[1]) ? $lines[1] : null;
+        $credLine = $lines[1] ?? null;
 
-        $pattern = 'C(?:\?2[1-9])?R(?:\?2[1-9])?E(?:\?2[1-9])?D(?:\?2[1-9])?\+([a-zA-ZöäüÖÄÜß0-9\./?\+\-\s,]+)S(?:\?2[1-9])?V(?:\?2[1-9])?W(?:\?2[1-9])?Z';
+        $pattern = '#C(?:\?2[1-9])?R(?:\?2[1-9])?E(?:\?2[1-9])?D(?:\?2[1-9])?\+([a-zA-ZöäüÖÄÜß0-9\./?\+\-\s,]+)S(?:\?2[1-9])?V(?:\?2[1-9])?W(?:\?2[1-9])?Z#';
 
         // match it
-        preg_match("#{$pattern}#", $this->removeNewLinesFromLine($credLine), $match);
+        preg_match($pattern, $this->removeNewLinesFromLine($credLine), $match);
 
         // assure match
         if (!isset($match[1])) {
@@ -452,12 +419,12 @@ protected function cred(array $lines): ?string
     protected function svwz(array $lines): ?string
     {
         // get :86: line -- it is second in provided array [:61:,:86:,....]
-        $svwzLine = isset($lines[1]) ? $lines[1] : null;
+        $svwzLine = $lines[1] ?? null;
 
-        $pattern = "(S(?:\?2[1-9])?V(?:\?2[1-9])?W(?:\?2[1-9])?Z(?:\?2[1-9])?\+)(?:\?(?:2[1-9]))?(?'SVWZ'.*)(?:\?30)";
+        $pattern = "/(S(?:\?2[1-9])?V(?:\?2[1-9])?W(?:\?2[1-9])?Z(?:\?2[1-9])?\+)(?:\?(?:2[1-9]))?(?'SVWZ'.*)(?:\?30)/";
 
         /** @var string $svwzLine */
-        preg_match("/{$pattern}/", $this->removeNewLinesFromLine($svwzLine), $match);
+        preg_match($pattern, $this->removeNewLinesFromLine($svwzLine), $match);
 
         // assure match
         if (!isset($match['SVWZ'])) {
diff --git a/lib/Jejik/MT940/Reader.php b/lib/Jejik/MT940/Reader.php
index 5764097..b6faf1d 100644
--- a/lib/Jejik/MT940/Reader.php
+++ b/lib/Jejik/MT940/Reader.php
@@ -14,6 +14,8 @@
 
 namespace Jejik\MT940;
 
+use Jejik\MT940\Exception\NoParserFoundException;
+
 /**
  * Read and parse MT940 documents
  *
@@ -512,10 +514,9 @@ protected function createObject($className, $interface, $params = [])
     /**
      * Get MT940 statements from the input text
      *
-     * @param string $text
-     * @return Statement[]
-     * @throws \RuntimeException if no suitable parser is found
-     * @throws Exception\NoParserFoundException
+     * @param string|null $text
+     * @return array
+     * @throws NoParserFoundException
      * @throws \Exception
      */
     public function getStatements(string $text = null): array
@@ -523,7 +524,7 @@ public function getStatements(string $text = null): array
         if ($text === null) {
             $text = file_get_contents($this->getFileName());
         }
-        if ($text === null || strlen(trim($text)) == 0) {
+        if ($text === null || strlen(trim($text)) === 0) {
             throw new \Exception("No text is found for parsing.");
         }
         if (($pos = strpos($text, ':20:')) === false) {
diff --git a/lib/Jejik/MT940/Transaction.php b/lib/Jejik/MT940/Transaction.php
index f2b0306..e90bd1c 100644
--- a/lib/Jejik/MT940/Transaction.php
+++ b/lib/Jejik/MT940/Transaction.php
@@ -257,7 +257,7 @@ public function getCode(): ?string
 
     /**
      * Set Code for this transaction
-     * @param string $code
+     * @param string|null $code
      * @return $this
      */
     public function setCode(string $code = null): TransactionInterface
diff --git a/lib/Jejik/MT940/TransactionInterface.php b/lib/Jejik/MT940/TransactionInterface.php
index c3eb526..b7b7389 100644
--- a/lib/Jejik/MT940/TransactionInterface.php
+++ b/lib/Jejik/MT940/TransactionInterface.php
@@ -74,7 +74,7 @@ public function setBookDate(?\DateTime $bookDate = null): self;
      * Get Code for this transaction
      * @return null|string
      */
-    public function getCode();
+    public function getCode(): ?string;
 
     /**
      * Set Code for this transaction
@@ -158,7 +158,7 @@ public function getEref(): ?string;
 
     /**
      * Set Eref for this transaction
-     * @param string $eref
+     * @param string|null $eref
      * @return $this
      */
     public function setEref(string $eref = null): TransactionInterface;
@@ -180,7 +180,7 @@ public function getIBAN(): ?string;
 
     /**
      * Set IBAN for this transaction
-     * @param string $iban
+     * @param string|null $iban
      * @return $this
      */
     public function setIBAN(string $iban = null): TransactionInterface;
diff --git a/tests/Jejik/Tests/MT940/Parser/AbnAmroTest.php b/tests/Jejik/Tests/MT940/Parser/AbnAmroTest.php
index 2ceb231..c0d04e2 100644
--- a/tests/Jejik/Tests/MT940/Parser/AbnAmroTest.php
+++ b/tests/Jejik/Tests/MT940/Parser/AbnAmroTest.php
@@ -36,7 +36,7 @@ public function setUp(): void
         $this->statements = $reader->getStatements(file_get_contents(__DIR__ . '/../Fixture/document/abnamro.txt'));
     }
 
-    public function testStatement()
+    public function testStatement(): void
     {
         $this->assertCount(2, $this->statements);
         $statement = $this->statements[0];
@@ -45,7 +45,7 @@ public function testStatement()
         $this->assertEquals('517852257', $statement->getAccount()->getNumber());
     }
 
-    public function testBalance()
+    public function testBalance(): void
     {
         $balance = $this->statements[0]->getOpeningBalance();
         $this->assertInstanceOf(\Jejik\MT940\Balance::class, $balance);
@@ -54,7 +54,7 @@ public function testBalance()
         $this->assertEquals(3236.28, $balance->getAmount());
     }
 
-    public function testTransaction()
+    public function testTransaction(): void
     {
         $transactions = $this->statements[0]->getTransactions();
         $this->assertCount(8, $transactions);
@@ -76,7 +76,7 @@ public function testTransaction()
         $this->assertEquals('528939882', $transactions[1]->getContraAccount()->getNumber());
     }
 
-    public function testContinuedStatement()
+    public function testContinuedStatement(): void
     {
         $this->assertEquals('19322/1', $this->statements[1]->getNumber());
 
@@ -89,7 +89,7 @@ public function testContinuedStatement()
         $this->assertEquals(1849.75, $balance->getAmount());
     }
 
-    public function testContraAccountName()
+    public function testContraAccountName(): void
     {
         $transactions = $this->statements[0]->getTransactions();
         $this->assertEquals('KPN - DIGITENNE', $transactions[0]->getContraAccount()->getName());
diff --git a/tests/Jejik/Tests/MT940/Parser/GermanBankTest.php b/tests/Jejik/Tests/MT940/Parser/GermanBankTest.php
index d4b427d..4f5abe9 100644
--- a/tests/Jejik/Tests/MT940/Parser/GermanBankTest.php
+++ b/tests/Jejik/Tests/MT940/Parser/GermanBankTest.php
@@ -11,7 +11,7 @@
 
 class GermanBankTest extends \PHPUnit\Framework\TestCase
 {
-    public function erefParserDataProvider()
+    public function erefParserDataProvider(): array
     {
         return [
             'PC-343@PC: Test Case 1' => [
@@ -206,7 +206,6 @@ public function erefParserDataProvider()
      * @dataProvider erefParserDataProvider
      *
      * @param string $expected
-     * @param string $account
      * @param string $statement
      * @throws \Exception
      */
diff --git a/tests/Jejik/Tests/MT940/ReaderTest.php b/tests/Jejik/Tests/MT940/ReaderTest.php
index 57c2607..fff6d26 100644
--- a/tests/Jejik/Tests/MT940/ReaderTest.php
+++ b/tests/Jejik/Tests/MT940/ReaderTest.php
@@ -36,7 +36,7 @@ public function testDefaultParsers()
             $this->fail('Expected an exception');
         } catch (\Exception $e) {
             // No parser can read an empty string
-            $this->assertTrue($e->getMessage() === 'No text is found for parsing.');
+            $this->assertSame($e->getMessage(), 'No text is found for parsing.');
         }
 
         $this->assertCount(16, $reader->getDefaultParsers());
@@ -145,7 +145,7 @@ public function testSkipStatement()
         });
 
         $statements = $reader->getStatements(file_get_contents(__DIR__ . '/Fixture/document/generic.txt'));
-        $this->assertEquals(1, count($statements));
+        $this->assertCount(1, $statements);
         $this->assertEquals('2', $statements[0]->getNumber());
     }
 }