ScriptService: add mechanism to retrieve aliases

Author: ctrueden

src/main/java/org/scijava/script/DefaultScriptService.java

@@ -195,6 +195,11 @@ public void addAlias(final String alias, final Class<?> type) {
 		aliasMap().put(alias, type);
 	}
 
+	@Override
+	public Map<String, Class<?>> getAliases() {
+		return Collections.unmodifiableMap(aliasMap());
+	}
+
 	@Override
 	public synchronized Class<?> lookupClass(final String alias)
 		throws ScriptException

src/main/java/org/scijava/script/ScriptService.java

@@ -323,6 +323,9 @@ default void addAlias(final Class<?> type) {
 	/** TODO */
 	void addAlias(String alias, Class<?> type);
 
+	/** TODO */
+	Map<String, Class<?>> getAliases();
+
 	/** TODO */
 	Class<?> lookupClass(String typeName) throws ScriptException;