https://github.com/google/guava/guava: Guava is a suite of core and expanded libraries that include utility classes, google's collections, io classes, and much much more. 
public interface com.google.common.graph.MutableValueGraph<N, V> extends com.google.common.graph.ValueGraph<N, V>
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: com.google.common.graph.MutableValueGraph
  super_class: java.lang.Object
{
  public abstract boolean addNode();
    descriptor: (Ljava/lang/Object;)Z
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: (TN;)Z
    RuntimeInvisibleAnnotations: 
      com.google.errorprone.annotations.CanIgnoreReturnValue()
    MethodParameters:
      Name  Flags
      node  

  public abstract V putEdgeValue(N, N, );
    descriptor: (Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: (TN;TN;TV;)TV;
    RuntimeInvisibleAnnotations: 
      com.google.errorprone.annotations.CanIgnoreReturnValue()
    MethodParameters:
       Name  Flags
      nodeU  
      nodeV  
      value  

  public abstract boolean removeNode();
    descriptor: (Ljava/lang/Object;)Z
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: (TN;)Z
    RuntimeInvisibleAnnotations: 
      com.google.errorprone.annotations.CanIgnoreReturnValue()
    MethodParameters:
      Name  Flags
      node  

  public abstract V removeEdge(N, );
    descriptor: (Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: (TN;TN;)TV;
    RuntimeInvisibleAnnotations: 
      com.google.errorprone.annotations.CanIgnoreReturnValue()
    MethodParameters:
       Name  Flags
      nodeU  
      nodeV  
}
Signature: <N:Ljava/lang/Object;V:Ljava/lang/Object;>Ljava/lang/Object;Lcom/google/common/graph/ValueGraph<TN;TV;>;
SourceFile: "MutableValueGraph.java"
    RuntimeInvisibleAnnotations: 
      com.google.common.annotations.Beta()