>>>
var x = foo("""
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
""");
<<<
var x = foo("""
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
""");
>>>
var map = {
  'key------': '''
    -----------------
    -----------------
    -----------------
  ''',
};
<<<
var map = {
  'key------': '''
    -----------------
    -----------------
    -----------------
  ''',
};