class_docstr: Analyse time ranges for each TracerEventType, and summarize the time.
code: def add_memory_manipulation_item(self, memory_manipulation_node):
      if (
          memory_manipulation_node.name
          not in self.memory_manipulation_items
      ):
          self.memory_manipulation_items[
              memory_manipulation_node.name
          ] = GeneralItem(memory_manipulation_node.name)
      self.memory_manipulation_items[
          memory_manipulation_node.name
      ].add_item(memory_manipulation_node)
  
imports: import collections
  from .utils import merge_ranges
  from .utils import merge_self_ranges
  from .utils import rebuild_node_trees
  from .utils import sum_ranges
  from .utils import traverse_tree
label_desc: Use image node_id 6 for calling the OverviewParser obj's underlying member method code with example usage: obj.add_memory_manipulation_item(memory_manipulation_node) without return types