| Package | Description | 
|---|---|
| com.google.common.base | Basic utility libraries and interfaces. | 
| Modifier and Type | Method and Description | 
|---|---|
| Joiner.MapJoiner | Joiner.MapJoiner. useForNull(String nullText)Returns a map joiner with the same behavior as this one, except automatically substituting
  nullTextfor any provided null keys or values. | 
| Joiner.MapJoiner | Joiner. withKeyValueSeparator(String keyValueSeparator)Returns a  MapJoinerusing the given key-value separator, and the same configuration as
 thisJoinerotherwise. | 
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