Model:
	lastnames+=LastName*
	greetings+=Greeting*;

Greeting:
	'Hello' name=ID lastname=[LastName] '!';

LastName:
	'lastname' name=ID;

<template autoinsert="true" context="MyDsl.Greeting" deleted="false" description="Just to explain the question" enabled="true" name="MinimalExample" id="1">
Hello ${name} Smith!
</template>

TemplateStore templateStore = Activator.getDefault().getInjector("MyDSL").getInstance(TemplateStore.class);
Template[] templates = templateStore.getTemplates("MyDSL.Greetings");

(Model) resourceSet.getResource(uri, true).getContents().get(0);

MyDSLFactory.eINSTANCE.createGreeting()

database $(name) : MariaDB {
    	environment {
		MYSQL_ROOT_PASSWORD = example;
	}
}

dbtype MariaDB {
    default image = mariadb:latest;
}

database $(name) : MariaDB {
    	environment {
		MYSQL_ROOT_PASSWORD = example ;
                MYSQL_USER = John ;
                MYSQL_PASSWORD = John'sPassword ;
	}
        command = --character-set-server=utf8mb4 --collation-server=utf8mb4_unicode_ci ;
}

IParseResult result = parser.parse(new StringReader(template.getPattern()));

TemplateTranslator templateTranslator = new TemplateTranslator();
TemplateBuffer buffer = null;
try {
	buffer = templateTranslator.translate(template);
} catch (TemplateException e) {
	e.printStackTrace();
}