46: "protocol family not supported",
	47: "address family not supported by protocol family",
	48: "address already in use",
	49: "can't assign requested address",
	50: "network is down",
	51: "network is unreachable",
	52: "network dropped connection on reset",
	53: "software caused connection abort",
	54: "connection reset by peer",
	55: "no buffer space available",
	56: "socket is already connected",

	46: "protocol family not supported",
	47: "address family not supported by protocol family",
	48: "address already in use",
	49: "can't assign requested address",
	50: "network is down",
	51: "network is unreachable",
	52: "network dropped connection on reset",
	53: "software caused connection abort",
	54: "connection reset by peer",
	55: "no buffer space available",
	56: "socket is already connected",

	46: "protocol family not supported",
	47: "address family not supported by protocol family",
	48: "address already in use",
	49: "can't assign requested address",
	50: "network is down",
	51: "network is unreachable",
	52: "network dropped connection on reset",
	53: "software caused connection abort",
	54: "connection reset by peer",
	55: "no buffer space available",
	56: "socket is already connected",

	46: "protocol family not supported",
	47: "address family not supported by protocol family",
	48: "address already in use",
	49: "can't assign requested address",
	50: "network is down",
	51: "network is unreachable",
	52: "network dropped connection on reset",
	53: "software caused connection abort",
	54: "connection reset by peer",
	55: "no buffer space available",
	56: "socket is already connected",

	96:  "protocol family not supported",
	97:  "address family not supported by protocol",
	98:  "address already in use",
	99:  "cannot assign requested address",
	100: "network is down",
	101: "network is unreachable",
	102: "network dropped connection on reset",
	103: "software caused connection abort",
	104: "connection reset by peer",
	105: "no buffer space available",
	106: "transport endpoint is already connected",

	{125, "EADDRINUSE", "address already in use"},
	{126, "EADDRNOTAVAIL", "cannot assign requested address"},
	{127, "ENETDOWN", "network is down"},
	{128, "ENETUNREACH", "network is unreachable"},
	{129, "ENETRESET", "network dropped connection because of reset"},
	{130, "ECONNABORTED", "software caused connection abort"},
	{131, "ECONNRESET", "connection reset by peer"},

  // For example, the reference to the expression of the first item of
  // validations is "spec.validations[0].expression"
  optional string fieldRef = 2;

  // The content of type checking information in a human-readable form.
  // Each line of the warning contains the type that the expression is checked
  // against, followed by the type check error from the compiler.
  optional string warning = 3;
}

	46: "protocol family not supported",
	47: "address family not supported by protocol family",
	48: "address already in use",
	49: "can't assign requested address",
	50: "network is down",
	51: "network is unreachable",
	52: "network dropped connection on reset",
	53: "software caused connection abort",
	54: "connection reset by peer",
	55: "no buffer space available",
	56: "socket is already connected",

	46: "protocol family not supported",
	47: "address family not supported by protocol family",
	48: "address already in use",
	49: "can't assign requested address",
	50: "network is down",
	51: "network is unreachable",
	52: "network dropped connection on reset",
	53: "software caused connection abort",
	54: "connection reset by peer",
	55: "no buffer space available",
	56: "socket is already connected",

    assertAssignable(
        new TypeToken<NumberList<? super Integer>>() {}, new TypeToken<NumberList<?>>() {});
  }

  public <T extends Readable & Appendable> void testMultiBound() {
    assertAssignable(new TypeToken<List<T>>() {}, new TypeToken<List<? extends Readable>>() {});
    assertAssignable(new TypeToken<List<T>>() {}, new TypeToken<List<? extends Appendable>>() {});
  }

  public void testToGenericType() {