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// @flow
 
// eslint-disable-next-line import/prefer-default-export
export function prune(obj: { [mixed]: mixed }): { [mixed]: mixed } {
  return Object.entries(obj).reduce((pruned, [key, value]) => {
    if (typeof value !== 'undefined') {
      // eslint-disable-next-line no-param-reassign
      pruned[key] = value;
    }
 
    return pruned;
  }, {});
}