u.ts

function FuckingPredeterminedMethodName(fuckinName: string) {
  return (target: any, propertyKey: string, descriptor: PropertyDescriptor) => {
    target.__fuckingPredeterminedMethodNameCalled__ = target.__fuckingPredeterminedMethodNameCalled__ || {}
    target.__fuckingPredeterminedMethodNameCalled__[fuckinName] = 0

    target[fuckinName] = function() {
      if (++ target.__fuckingPredeterminedMethodNameCalled__[fuckinName] > 3) {
        throw new Error('Stop it!')
      } else {
        console.warn(`Do not call me ${ fuckinName }.`)
        return target[propertyKey].apply(this, arguments)
      }
    };
  };
}

class U {
  @FuckingPredeterminedMethodName('inu')
  neko(): U {
    console.log('hai.')
    return this
  }
}

interface U {
  inu(): U
}

new U().inu().inu().inu().neko().inu()