6 files declare their use of JsonUtility in Feeds extensible parsers 8

JmesPathLinesParserTest.php in tests/src/Unit/Feeds/Parser/JmesPathLinesParserTest.php

JmesPathParser.php in src/Feeds/Parser/JmesPathParser.php

JmesPathParserTest.php in tests/src/Unit/Feeds/Parser/JmesPathParserTest.php

JsonParserBase.php in src/Feeds/Parser/JsonParserBase.php

JsonPathLinesParserTest.php in tests/src/Unit/Feeds/Parser/JsonPathLinesParserTest.php

JsonPathParserTest.php in tests/src/Unit/Feeds/Parser/JsonPathParserTest.php