* Don't show "context" for classes without either contextType or contextTypes
* For classes with contextTypes, change the label to "legacy context" instead

---
Originally reported by @gaearon via https://github.com/bvaughn/react-devtools-experimental/issues/368
EVENT_TARGET_NUMBER: 0xead6,
    EVENT_TARGET_STRING: 'Symbol(react.event_target)',
    EVENT_TARGET_TOUCH_HIT_NUMBER: 0xead7,
    EVENT_TARGET_TOUCH_HIT_STRING: 'Symbol(react.event_target.touch_hit)',
    FORWARD_REF_NUMBER: 0xead0,
    FORWARD_REF_SYMBOL_STRING: 'Symbol(react.forward_ref)',
    MEMO_NUMBER: 0xead3,
    MEMO_SYMBOL_STRING: 'Symbol(react.memo)',
    PROFILER_NUMBER: 0xead2,
    PROFILER_SYMBOL_STRING: 'Symbol(react.profiler)',
    STRICT_MODE_NUMBER: 0xeacc,
    STRICT_MODE_SYMBOL_STRING: 'Symbol(react.strict_mode)',
    SUSPENSE_NUMBER: 0xead1,
    SUSPENSE_SYMBOL_STRING: 'Symbol(react.suspense)',
    DEPRECATED_PLACEHOLDER_SYMBOL_STRING: 'Symbol(react.placeholder)',
  };
  const ReactTypeOfSideEffect: ReactTypeOfSideEffectType = {
    NoEffect: 0b00,
    PerformedWork: 0b01,
    Placement: 0b10,
  };
  
  
  
  
  
  
  
  const ReactPriorityLevels: ReactPriorityLevelsType = {
    ImmediatePriority: 99,