anchor.diff:  
   * Conditional1 - Coalesce Expression
   
  +=== Graph
  +
  +* Graph3 - Node labels
  +* Graph4 - Edge relationship type
  +* Graph6 - Dynamic property access
  +* Graph7 - Node properties keys
  +* Graph8 - Check if a property exists on a node or an edge
  +* Graph9 - Access all properties as property map
  +
   === List
   
   * List1 - Dynamic Element Access
  
positive.code: * Null1 - IS NULL validation
  * Null2 - IS NOT NULL validation
  * Null2 - Null evaluation
  
  === String
  
  
negative.code: == Expressions
  
  
  === Aggregation
  
  * Aggregation1 - Count
  * Aggregation2 - Min and Max
  * Aggregation3 - Sum
  * Aggregation6 - Percentiles
  * Aggregation8 - DISTINCT
  
  === Boolean
  
  * Boolean4 - NOT logical operations
  