Strict Standards: Declaration of eZLintSchema::data() should be compatible with that of eZDBSchemaInterface::data()

Strict Standards: Declaration of eZLintSchema::generateSchemaFile() should be compatible with that of eZDBSchemaInterface::generateSchemaFile()

Strict Standards: Declaration of eZLintSchema::generateUpgradeFile() should be compatible with that of eZDBSchemaInterface::generateUpgradeFile()

Strict Standards: Declaration of eZLintSchema::generateDropFieldSql() should be compatible with that of eZDBSchemaInterface::generateDropFieldSql()