question: public static boolean useNameSuggestions ( Set < String > usedKeys ) { return ! ( usedKeys . contains ( Tags . KEY_HIGHWAY ) || usedKeys . contains ( Tags . KEY_WATERWAY ) || usedKeys . contains ( Tags . KEY_LANDUSE ) || usedKeys . contains ( Tags . KEY_NATURAL ) || usedKeys . contains ( Tags . KEY_RAILWAY ) ) ; }
target:  Return true if the edited object could have a name in the name index