Method predecessors

corpus/java/training/guava/graph/Graph.java:215–215

Returns all nodes in this graph adjacent to node which can be reached by traversing node's incoming edges against the direction (if any) of the edge. @throws IllegalArgumentException if node is not an element of this graph

(Object node)

   * @throws IllegalArgumentException if {@code node} is not an element of this graph
   */
  Set<N> predecessors(Object node);

  /**
   * Returns all nodes in this graph adjacent to {@code node} which can be reached by traversing