public String toString()

in flink-kubernetes-operator/src/main/java/org/apache/flink/kubernetes/operator/reconciler/diff/DiffResult.java [60:101]
40 lines of code
3 McCabe index (conditional complexity)

    public String toString() {
        if (diffList.isEmpty()) {
            return "";
        }

        final StringBuilder builder = new StringBuilder();
        builder.append(before.getClass().getSimpleName()).append("[");

        diffList.forEach(
                diff -> {
                    try {
                        JsonNode diffBefore =
                                objectMapper.readTree(
                                        objectMapper.writeValueAsString(diff.getLeft()));
                        JsonNode diffAfter =
                                objectMapper.readTree(
                                        objectMapper.writeValueAsString(diff.getRight()));
                        JsonNode jsonDiff = JsonDiff.asJson(diffBefore, diffAfter);
                        jsonDiff.forEach(
                                row -> {
                                    addField(
                                            builder,
                                            diffBefore,
                                            diffAfter,
                                            diff.getFieldName(),
                                            row);
                                    builder.append(", ");
                                });
                        builder.setLength(builder.length() - 2);
                    } catch (Exception je) {
                        builder.append(diff.getFieldName())
                                .append(" : ")
                                .append(diff.getLeft())
                                .append(" -> ")
                                .append(diff.getRight());
                    }
                    builder.append(", ");
                });
        builder.setLength(builder.length() - 2);
        builder.append("]");
        return String.format("Diff: %s", builder);
    }