Force to use patterns as method names so it is possible to protect them with typescript.

event-pattern-by-method-name.decorator.ts

import { EventPattern } from '@nestjs/microservices';

export function EventPatternByMethodName() {
  return function (target: any, propertyKey: string, descriptor: PropertyDescriptor) {
    EventPattern(propertyKey)(target, propertyKey, descriptor);
  };
}