ParseError: syntax error, unexpected 'public' (T_PUBLIC), expecting variable (T_VARIABLE)

in app/service/SolarConfig.php(8) 
in src/RobotLoader/RobotLoader.php(357) token_get_all()
in src/RobotLoader/RobotLoader.php(243) Nette\Loaders\RobotLoader->scanPhp()
in src/RobotLoader/RobotLoader.php(485) Nette\Loaders\RobotLoader->refreshClasses()
in src/RobotLoader/RobotLoader.php(104) Nette\Loaders\RobotLoader->loadCache()
in [internal function]Nette\Loaders\RobotLoader->tryLoad()
in [internal function]spl_autoload_call()
in DI/Config/DefinitionSchema.php(82) interface_exists()
in Schema/Elements/Type.php(129) Nette\DI\Config\DefinitionSchema->normalize()
in src/Schema/Processor.php(65) Nette\Schema\Elements\Type->normalize()
in src/DI/Compiler.php(291) Nette\Schema\Processor->processMultiple()
in src/DI/Compiler.php(245) Nette\DI\Compiler->processSchema()
in src/DI/Compiler.php(211) Nette\DI\Compiler->processExtensions()
in src/DI/ContainerLoader.php(119) Nette\DI\Compiler->compile()
in src/DI/ContainerLoader.php(81) Nette\DI\ContainerLoader->generate()
in src/DI/ContainerLoader.php(44) Nette\DI\ContainerLoader->loadFile()
in src/Bootstrap/Configurator.php(248) Nette\DI\ContainerLoader->load()
in src/Bootstrap/Configurator.php(226) Nette\Configurator->loadContainer()
in brumov-kasa.murdej.cz/tests/bootstrap.php(16) Nette\Configurator->createContainer()

FAILURE