The string set of keys held by the resolver map.

@return the string set of keys held by the resolver map.
321365
public Set<String> stringKeySet() {
        return data.keySet().stream()
                .map(Any2::getRight)
                .flatMap(opt -> opt.map(Stream::of).orElseGet(Stream::empty))
                .collect(Collectors.toSet());
    }
253580
public Set<String> entries() {
        Set<String> es = this.entries;
        if (es == null) {
            // lazily scan the entries
            this.entries = scan();
        }
        return this.entries;
    }
1250343
protected Collection<String> getKeys() {
		Collection<String> result = Collections.emptySet();
		if (_moduleBuilds != null) {
			result = Collections.unmodifiableCollection(_moduleBuilds.keySet());
		}
		return result;
	}
1178604
public Set<String> getLanguages() {
        Set<String> result = new HashSet<String>();
        for (QueryParser parser : parsers.values()) {
            result.add(parser.getLanguage());
        }
        return Collections.unmodifiableSet(result);
    }
621629
public synchronized Set<String> getNames() {
        if (map == null) {
            return Collections.emptySet();
        }
        return Collections.unmodifiableSet(map.keySet());
    }
1040012
public Set<String> keySet(){
		HashSet<String> set=new HashSet<String>();
		Iterator<String> keys=keys();
		while(keys.hasNext()){
			set.add(keys.next());
		}
		return set;
	}
568813
@Override
    public Set keySet() {
        if (keySet != null) {
            return keySet;
        }
        keySet = new AbstractSet() {
            @Override
            public Iterator iterator() {
                return new KeyIterator();
            }            @Override
            public int size() {
                return size;
            }



            @Override
            public boolean contains(final Object o) {
                return containsKey(o);
            }


            @Override
            public boolean remove(final Object o) {
                final Object r = ReferenceMap.this.remove(o);
                return r != null;
            }

            @Override
            public void clear() {
                ReferenceMap.this.clear();
            }

        };
        return keySet;
    }
1220547
public Set<String> getSourceNames() {
        return Sets.newHashSet(Iterables.transform(getDatasources().values(), new Function<Datasource, String>() {

            @Override
            public String apply(Datasource input) {
                return input.getSource();
            }
        }));
    }
649204
public List<String> getValuesAsString() {
        List<CharSequence> valuesAsCharSequence = getValues();
        List<String> res = new ArrayList<>(valuesAsCharSequence.size());
        for (CharSequence value : valuesAsCharSequence) {
            res.add(value.toString());
        }
        return res;
    }
662690
public Enumeration<String> getKeys() {
        // lazily load the lookup hashtable.
        if (lookup == null) {
            loadLookup();
        }

        ResourceBundle parent = this.parent;
        return new ResourceBundleEnumeration(lookup.keySet(),
                (parent != null) ? parent.getKeys() : null);
    }
592401
public Set<String> names() {
        TreeSet<String> result = new TreeSet<>(String.CASE_INSENSITIVE_ORDER);
        for (int i = 0, size = size(); i < size; i++) {
            result.add(name(i));
        }
        return Collections.unmodifiableSet(result);
    }
1104292
public HashSet<String> getAllStrings()
    {
        HashSet<String> strHashSet = new LinkedHashSet<String>();

        if (sourceNode != null)
            getStrings(strHashSet, SearchCondition.NO_SEARCH_CONDITION, null, "", sourceNode.getOutgoingTransitions());
        else
            getStrings(strHashSet, SearchCondition.NO_SEARCH_CONDITION, null, "", simplifiedSourceNode);

        return strHashSet;
    }
723564
public Collection<String> getFieldNames()
    {
        Set<String> fieldNames = new LinkedHashSet<String> ();
        
        fieldNames.addAll( keys );
        
        return fieldNames;
        
    }
275075
public List<K> getKeys() {
        synchronized ( _map ) {
            return new java.util.ArrayList<K>( _map.keySet() );
        }
    }
1182963
public String[] getKeysAsStrings(Map<String, ?> map) {
        String[] result = null;
        Set<String> keySet = map.keySet();
        int keySize = keySet.size();
        if (keySize > 0) {          
            result = keySet.toArray(new String[keySize]);
        }
        
        return result;
    }
1168961
public String[] getKeyStoreAliases() {
        Set<String> set = keyStoreMap.keySet();
        return set.toArray(new String[set.size()]);
    }
68475
public HashMap<Integer, byte[]> getPreKeys() {
        if (preKeys == null) {
            preKeys = new HashMap<>();
            for (int id : preKeysB64.keySet()) {
                preKeys.put(id, Base64.decode(preKeysB64.get(id)));
            }
        }
        return this.preKeys;
    }