Demo.foo:()V:
regs: 0002; ins: 0001; outs: 0000
  0000: monitor-enter v1
  0001: const/16 v0, #int 100 // #0064
  0003: monitor-exit v1
  0004: return-void
 
  debug info
    line_start: 4
    parameters_size: 0000
    0000: prologue end
    0000: line 4
    0003: line 5
    0003: +local v0 a int
    end sequence
  source file: "Demo.java"
