Extract interface from implementation in case of Environment and ModuleRegistry

api/src/main/kotlin/io/smnp/environment/Environment.kt

@@ -3,18 +3,7 @@ package io.smnp.environment
 import io.smnp.ext.ModuleRegistry
 import io.smnp.type.module.Module
 
-class Environment {
-    private val rootModule = Module("<root>")
-    private val loadedModules = mutableListOf<String>()
-
-    fun loadModule(path: String) {
-        ModuleRegistry.requestModulesForPath(path).forEach {
-            rootModule.addSubmodule(it)
-            loadedModules.add(path)
-        }
-    }
-
-    fun printModules(printContent: Boolean) {
-        rootModule.pretty(printContent)
-    }
+interface Environment {
+    fun loadModule(path: String)
+    fun printModules(printContent: Boolean)
 }