Symfony 2 YAML i18n format.
To localize a symfony 2 app you can either import and export the yaml file manually on the dashboard or you can automate your symfony 2 translation process with the GL Strings Localization CLI.
empty_string_key: ""
with_description_key: 'This key has a description in some file-formats.'
with_line_break_key: "This key has a line break\nin it."
nested_key:
    level_one_a:
        level_two: 'A deeply nested key.'
    level_one_b: 'A nested key.'
plural_key:
    one: 'Plural key one'
    other: 'Plural key other'
    zero: 'Plural key zero'
array_key:
    - 'first entry'
    - 'second entry'
    - 'third entry'
simple_key: 'Most basic translation.'