--- /dev/null
+<?php
+namespace Consolidation\OutputFormatters\Transformations;
+
+use Consolidation\OutputFormatters\Options\FormatterOptions;
+
+interface StringTransformationInterface
+{
+ /**
+ * simplifyToString is called by the string formatter to convert
+ * structured data to a simple string.
+ */
+ public function simplifyToString(FormatterOptions $options);
+}