code: public static InnerClassAccess getInnerClassAccess(INVOKESTATIC inv, ConstantPoolGen cpg) throws ClassNotFoundException {
  
          String className = inv.getClassName(cpg);
          String methodName = inv.getName(cpg);
          String methodSig = inv.getSignature(cpg);
  
          InnerClassAccess access = AnalysisContext.currentAnalysisContext().getInnerClassAccessMap()
                  .getInnerClassAccess(className, methodName);
          return (access != null && access.getMethodSignature().equals(methodSig)) ? access : null;
      }
docs: Get the InnerClassAccess for access method called by given INVOKESTATIC.
  
  @param inv
  the INVOKESTATIC instruction
  @param cpg
  the ConstantPoolGen for the method
  @return the InnerClassAccess, or null if the instruction is not an
  inner-class access