code: public String getDbCommon() {
  		StringBuffer sb = new StringBuffer();
  		sb.append("\txmlns=\"http://www.mulesoft.org/schema/mule/core\"\n");
  		sb.append("\txmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"\n");
  		sb.append("\txmlns:spring=\"http://www.springframework.org/schema/beans\"\n");
  		sb.append("\txmlns:db=\"http://www.mulesoft.org/schema/mule/db\"\n");
  		sb.append("\txsi:schemaLocation=\"\n");
  		sb.append("\t\thttp://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-current.xsd\n");
  		sb.append("\t\thttp://www.mulesoft.org/schema/mule/core    http://www.mulesoft.org/schema/mule/core/" + xsdNsMuleVersion + "/mule.xsd\n");
  		sb.append("\t\thttp://www.mulesoft.org/schema/mule/db      http://www.mulesoft.org/schema/mule/db/" + xsdNsMuleVersion + "/mule-db.xsd\n");
  		sb.append("\t\">");
  		
  		return SourceFormatterUtil.formatSource(sb.toString());
  	}
docs: Generates xsd namespaces for files of type: ${artifactId}-db-module-config.xml
  @return