char[] fakeSource = CharOperation.concat(prefix.toString().toCharArray(), snippet, "}}".toCharArray());//$NON-NLS-1$
this.offset = prefix.length();
String encoding = this.compilerOptions.defaultEncoding;
BasicCompilationUnit fakeUnit = new BasicCompilationUnit(
fakeSource,
null,
"FakeType.java", //$NON-NLS-1$
encoding);