Format can be one of the following:
- IOS_STRINGS
- IOS_STRINGSDICT_XML
- GNU_PO
- ANDROID_XML
- ANDROID_JSON
- JAVA_PROPERTIES
- RUBY_YML
- RUBY_YAML
- FLASH_XML
- GNU_POT
- RRC
- RESX
- RESJSON
- HIERARCHICAL_JSON
- PHP
- PHP_VARIABLES
- HTML
- RESW
- YML
- YAML
- ADEMPIERE_XML
- IDEMPIERE_XML
- QT_TS_XML
- TMX
- L10N
- INI
- REQUIREJS