import com.intellij.openapi.ui.popup.ListSeparator; //导入依赖的package包/类
@Override
public ListSeparator getSeparatorAbove(ItemWrapper value) {
  if (value.addSeparatorAbove()) return new ListSeparator();

  final List<ItemWrapper> configurations = getValues();
  final int index = configurations.indexOf(value);
  if (index > 0 && index <= configurations.size() - 1) {
    final ItemWrapper aboveConfiguration = configurations.get(index - 1);

    if (aboveConfiguration != null && aboveConfiguration.isDynamic() != value.isDynamic()) {
      return new ListSeparator();
    }

    final ConfigurationType currentType = value.getType();
    final ConfigurationType aboveType = aboveConfiguration == null ? null : aboveConfiguration.getType();
    if (aboveType != currentType && currentType != null) {
      return new ListSeparator(); // new ListSeparator(currentType.getDisplayName());
    }
  }

  return null;
}
 

import com.intellij.openapi.ui.popup.ListSeparator; //导入依赖的package包/类
@Override
public ListSeparator getSeparatorAbove(ItemWrapper value) {
  if (value.addSeparatorAbove()) return new ListSeparator();

  final List<ItemWrapper> configurations = getValues();
  final int index = configurations.indexOf(value);
  if (index > 0 && index <= configurations.size() - 1) {
    final ItemWrapper aboveConfiguration = index == 0 ? null : configurations.get(index - 1);

    if (aboveConfiguration != null && aboveConfiguration.isDynamic() != value.isDynamic()) {
      return new ListSeparator();
    }

    final ConfigurationType currentType = value.getType();
    final ConfigurationType aboveType = aboveConfiguration == null ? null : aboveConfiguration.getType();
    if (aboveType != currentType && currentType != null) {
      return new ListSeparator(); // new ListSeparator(currentType.getDisplayName());
    }
  }

  return null;
}
 

import com.intellij.openapi.ui.popup.ListSeparator; //导入依赖的package包/类
private void rebuildLists() {
  myFilteredList.clear();
  mySeparators.clear();
  myFullMatchIndex = -1;
  myStartsWithIndex = -1;

  ListSeparator lastSeparator = null;
  for (Object each : myOriginalList) {
    lastSeparator = ObjectUtils.chooseNotNull(myStep.getSeparatorAbove(each), lastSeparator);

    if (myFilter.shouldBeShowing(each)) {
      addToFiltered(each);
      if (lastSeparator != null) {
        mySeparators.put(each, lastSeparator);
        lastSeparator = null;
      }
    }
  }
}
 

import com.intellij.openapi.ui.popup.ListSeparator; //导入依赖的package包/类
public String getCaptionAboveOf(Object value) {
  ListSeparator separator = getSeparatorAbove(value);
  if (separator != null) {
    return separator.getText();
  }
  return "";
}
 

import com.intellij.openapi.ui.popup.ListSeparator; //导入依赖的package包/类
@Nullable
@Override
public ListSeparator getSeparatorAbove(Integer value) {
  return value.equals(ADD_SUBTASK_ID) ? new ListSeparator() : null;
}
 

import com.intellij.openapi.ui.popup.ListSeparator; //导入依赖的package包/类
@Override
public ListSeparator getSeparatorAbove(ArtifactPopupItem value) {
  return myFirst.equals(value.getArtifact()) ? new ListSeparator() : null;
}
 

import com.intellij.openapi.ui.popup.ListSeparator; //导入依赖的package包/类
@Nullable
public ListSeparator getSeparatorAbove(T value) {
  return null;
}
 

import com.intellij.openapi.ui.popup.ListSeparator; //导入依赖的package包/类
private ListSeparator getSeparatorAbove(Object value) {
  return myStep.getSeparatorAbove(value);
}
 

import com.intellij.openapi.ui.popup.ListSeparator; //导入依赖的package包/类
@Nullable
@Override
public ListSeparator getSeparatorAbove(String value) {
  return MORE.equals(value) ? new ListSeparator() : null;
}
 

import com.intellij.openapi.ui.popup.ListSeparator; //导入依赖的package包/类
@Override
@Nullable
public ListSeparator getSeparatorAbove(T value) {
  return null;
}
 

import com.intellij.openapi.ui.popup.ListSeparator; //导入依赖的package包/类
private ListSeparator getSeparatorAbove(Object value) {
  return mySeparators.get(value);
}
 

import com.intellij.openapi.ui.popup.ListSeparator; //导入依赖的package包/类
@Override
public ListSeparator getSeparatorAbove(SmartStepTarget value)
{
	return null;
}