[5.4] cs fixes

Author: nicolas-grekas

Dumper.php

@@ -45,8 +45,6 @@ public function __construct(int $indentation = 4)
      * @param int   $inline The level where you switch to inline YAML
      * @param int   $indent The level of indentation (used internally)
      * @param int   $flags  A bit field of Yaml::DUMP_* constants to customize the dumped YAML string
-     *
-     * @return string
      */
     public function dump($input, int $inline = 0, int $indent = 0, int $flags = 0): string
     {

Inline.php

@@ -112,8 +112,6 @@ public static function parse(string $value = null, int $flags = 0, array &$refer
      * @param mixed $value The PHP variable to convert
      * @param int   $flags A bit field of Yaml::DUMP_* constants to customize the dumped YAML string
      *
-     * @return string
-     *
      * @throws DumpException When trying to dump PHP resource
      */
     public static function dump($value, int $flags = 0): string
@@ -206,8 +204,6 @@ public static function dump($value, int $flags = 0): string
      * Check if given array is hash or just normal indexed array.
      *
      * @param array|\ArrayObject|\stdClass $value The PHP array or array-like object to check
-     *
-     * @return bool
      */
     public static function isHash($value): bool
     {
@@ -231,8 +227,6 @@ public static function isHash($value): bool
      *
      * @param array $value The PHP array to dump
      * @param int   $flags A bit field of Yaml::DUMP_* constants to customize the dumped YAML string
-     *
-     * @return string
      */
     private static function dumpArray(array $value, int $flags): string
     {
@@ -791,8 +785,6 @@ private static function isBinaryString(string $value): bool
     /**
      * Gets a regex that matches a YAML date.
      *
-     * @return string
-     *
      * @see http://www.yaml.org/spec/1.2/spec.html#id2761573
      */
     private static function getTimestampRegex(): string

Unescaper.php

@@ -32,8 +32,6 @@ class Unescaper
      * Unescapes a single quoted string.
      *
      * @param string $value A single quoted string
-     *
-     * @return string
      */
     public function unescapeSingleQuotedString(string $value): string
     {
@@ -44,8 +42,6 @@ public function unescapeSingleQuotedString(string $value): string
      * Unescapes a double quoted string.
      *
      * @param string $value A double quoted string
-     *
-     * @return string
      */
     public function unescapeDoubleQuotedString(string $value): string
     {
@@ -61,8 +57,6 @@ public function unescapeDoubleQuotedString(string $value): string
      * Unescapes a character that was found in a double-quoted string.
      *
      * @param string $value An escaped character
-     *
-     * @return string
      */
     private function unescapeCharacter(string $value): string
     {

Yaml.php

@@ -90,8 +90,6 @@ public static function parse(string $input, int $flags = 0)
      * @param int   $inline The level where you switch to inline YAML
      * @param int   $indent The amount of spaces to use for indentation of nested nodes
      * @param int   $flags  A bit field of DUMP_* constants to customize the dumped YAML string
-     *
-     * @return string
      */
     public static function dump($input, int $inline = 2, int $indent = 4, int $flags = 0): string
     {