32 files declare their use of TamperBase in Tamper 8

ArrayFilter.php in src/Plugin/Tamper/ArrayFilter.php

CastToInt.php in src/Plugin/Tamper/CastToInt.php

ConvertBoolean.php in src/Plugin/Tamper/ConvertBoolean.php

ConvertCase.php in src/Plugin/Tamper/ConvertCase.php

Copy.php in src/Plugin/Tamper/Copy.php

CountryToCode.php in src/Plugin/Tamper/CountryToCode.php

DefaultValue.php in src/Plugin/Tamper/DefaultValue.php

Encode.php in src/Plugin/Tamper/Encode.php

Explode.php in src/Plugin/Tamper/Explode.php

FindReplace.php in src/Plugin/Tamper/FindReplace.php

FindReplaceRegex.php in src/Plugin/Tamper/FindReplaceRegex.php

Hash.php in src/Plugin/Tamper/Hash.php

HtmlEntityDecode.php in src/Plugin/Tamper/HtmlEntityDecode.php

HtmlEntityEncode.php in src/Plugin/Tamper/HtmlEntityEncode.php

Implode.php in src/Plugin/Tamper/Implode.php

KeywordFilter.php in src/Plugin/Tamper/KeywordFilter.php

Math.php in src/Plugin/Tamper/Math.php

NumberFormat.php in src/Plugin/Tamper/NumberFormat.php

Required.php in src/Plugin/Tamper/Required.php

Rewrite.php in src/Plugin/Tamper/Rewrite.php

Sprintf.php in src/Plugin/Tamper/Sprintf.php

StateToAbbrev.php in src/Plugin/Tamper/StateToAbbrev.php

StripTags.php in src/Plugin/Tamper/StripTags.php

StrPad.php in src/Plugin/Tamper/StrPad.php

StrToTime.php in src/Plugin/Tamper/StrToTime.php

TimeToDate.php in src/Plugin/Tamper/TimeToDate.php

Transliteration.php in src/Plugin/Tamper/Transliteration.php

Trim.php in src/Plugin/Tamper/Trim.php

TruncateText.php in src/Plugin/Tamper/TruncateText.php

Unique.php in src/Plugin/Tamper/Unique.php

UrlDecode.php in src/Plugin/Tamper/UrlDecode.php

UrlEncode.php in src/Plugin/Tamper/UrlEncode.php