Added basic outline

src/main/java/de/rwu/easydrop/service/mapping/ProductMapper.java

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+package de.rwu.easydrop.service.mapping;
+
+public class ProductMapper {
+
+}

src/main/java/de/rwu/easydrop/service/mapping/package-info.java

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+/**
+ * Maps different formats of corresponding objects.
+ *
+ * @todo implement
+ */
+package de.rwu.easydrop.service.mapping;

src/main/java/de/rwu/easydrop/service/package-info.java

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+/**
+ * Packages for supporting business logic.
+ *
+ * @todo implement
+ */
+package de.rwu.easydrop.service;

src/main/java/de/rwu/easydrop/service/processing/OrderManager.java

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+package de.rwu.easydrop.service.processing;
+
+public class OrderManager {
+
+}

src/main/java/de/rwu/easydrop/service/processing/package-info.java

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+/**
+ * Supports diverse business processes and enforces business rules.
+ *
+ * @todo implement
+ */
+package de.rwu.easydrop.service.processing;

src/main/java/de/rwu/easydrop/service/validation/ProductValidator.java

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+package de.rwu.easydrop.service.validation;
+
+public class ProductValidator {
+
+}

src/main/java/de/rwu/easydrop/service/validation/package-info.java

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+/**
+ * Supports validation processes.
+ *
+ * @todo implement
+ */
+package de.rwu.easydrop.service.validation;