public List<String> getSchemes() {
    Config subConfig = config.subset(FS_IMPL_PREFIX, true);
    List<String> schemes = new ArrayList<String>();
    for (String key : subConfig.keySet()) {
      if (key.endsWith(FS_IMPL_SUFFIX)) {
        schemes.add(key.substring(0, key.length() - FS_IMPL_SUFFIX.length()));
      }
    }
    return schemes;
  }
Get all schemes
@return List of schemes in strings
samza-yarn/src/main/java/org/apache/samza/job/yarn/FileSystemImplConfig.java