}

    /**
     * Returns the second value.
     *
     * @return The second value
     */
    public T2 getSecond() {
        return second;
    }

    /**
     * Sets the second value.
     *
     * @param second
     *            The second value
     */
    public void setSecond(final T2 second) {
        this.second = second;
    }

    @Override
    public String toString() {

            final String[] values = s.split(":");
            if (values.length == 1) {
                pair.setFirst(values[0].trim());
                pair.setSecond(1.0f);
            } else if (values.length > 1) {
                pair.setFirst(values[0]);
                pair.setSecond(Float.parseFloat(values[1]));
            } else {
                return null;
            }
            return pair;

        defaultResponseHeaders.forEach(header -> callback.accept(header.getFirst(), header.getSecond()));
        final List<Pair<String, String>> headers = responseHeaderMap.get(mimeType);
        if (headers != null) {
            headers.forEach(header -> callback.accept(header.getFirst(), header.getSecond()));
        }
    }

                .collect(Collectors.groupingBy(Pair::getFirst, Collectors.mapping(Pair::getSecond, Collectors.toList())));
        sourceMap.put("searchField", searchFieldMap);
        final Map<String, List<String>> headerMap = headerList.stream()
                .collect(Collectors.groupingBy(Pair::getFirst, Collectors.mapping(Pair::getSecond, Collectors.toList())));
        sourceMap.put("headers", headerMap);

                    .filter(e -> !"name".equals(e.getKey()))
                    .map(e -> new Pair<>(e.getKey(), (String) e.getValue()))
                    .collect(Collectors.toMap(Pair::getFirst, Pair::getSecond)));
            return result;
        } catch (InstantiationException | IllegalAccessException e) {
            final String msg = "Cannot create a new instance: " + entityType.getName();

                    }
                    sb.append(searchFieldLog.getSecond());
                    fields.add(name);
                } else if (tagFieldNameSet.contains(name)) {
                    tags.add(searchFieldLog.getSecond());
                } else if (roleFieldNameSet.contains(name)) {
                    roles.add(searchFieldLog.getSecond());
                }
            }

                contentList.add(content);
            }
            for (final Pair<Pattern, String> regexData : pair.getSecond()) {
                if (regexData.getFirst().matcher(query).matches()) {
                    contentList.add(regexData.getSecond().replace(queryPlaceHolder, query));
                }
            }
            return contentList.toArray(new String[contentList.size()]);
        }

                }
                for (final Pair<Pattern, String> pair : list) {
                    if (pair.getFirst().matcher(url).matches()) {
                        return pair.getSecond();
                    }
                }
            }
        }

        return null;
    }

                        try {
                            buf.append(URLEncoder.encode(p.getFirst(), encoding));
                            buf.append('=');
                            buf.append(URLEncoder.encode(p.getSecond(), encoding));
                        } catch (final UnsupportedEncodingException e) {
                            throw new IORuntimeException(e);
                        }
                    });
                }

                    .stream()
                    .filter(e -> isAttribute(e.getKey()))
                    .map(e -> new Pair<>(e.getKey(), (String) e.getValue()))
                    .collect(Collectors.toMap(Pair::getFirst, Pair::getSecond)));
            return result;
        } catch (InstantiationException | IllegalAccessException e) {
            final String msg = "Cannot create a new instance: " + entityType.getName();