// Code generated by ogen, DO NOT EDIT.

package gsn

import (
	"math/bits"
	"strconv"
	"time"

	"github.com/go-faster/errors"
	"github.com/go-faster/jx"
	"github.com/ogen-go/ogen/json"
	"github.com/ogen-go/ogen/validate"
)

// Encode implements json.Marshaler.
func (s *Error) Encode(e *jx.Encoder) {
	e.ObjStart()
	s.encodeFields(e)
	e.ObjEnd()
}

// encodeFields encodes fields.
func (s *Error) encodeFields(e *jx.Encoder) {
	{
		e.FieldStart("message")
		e.Str(s.Message)
	}
	{
		if s.Details.Set {
			e.FieldStart("details")
			s.Details.Encode(e)
		}
	}
}

var jsonFieldsNameOfError = [2]string{
	0: "message",
	1: "details",
}

// Decode decodes Error from json.
func (s *Error) Decode(d *jx.Decoder) error {
	if s == nil {
		return errors.New("invalid: unable to decode Error to nil")
	}
	var requiredBitSet [1]uint8

	if err := d.ObjBytes(func(d *jx.Decoder, k []byte) error {
		switch string(k) {
		case "message":
			requiredBitSet[0] |= 1 << 0
			if err := func() error {
				v, err := d.Str()
				s.Message = string(v)
				if err != nil {
					return err
				}
				return nil
			}(); err != nil {
				return errors.Wrap(err, "decode field \"message\"")
			}
		case "details":
			if err := func() error {
				s.Details.Reset()
				if err := s.Details.Decode(d); err != nil {
					return err
				}
				return nil
			}(); err != nil {
				return errors.Wrap(err, "decode field \"details\"")
			}
		default:
			return d.Skip()
		}
		return nil
	}); err != nil {
		return errors.Wrap(err, "decode Error")
	}
	// Validate required fields.
	var failures []validate.FieldError
	for i, mask := range [1]uint8{
		0b00000001,
	} {
		if result := (requiredBitSet[i] & mask) ^ mask; result != 0 {
			// Mask only required fields and check equality to mask using XOR.
			//
			// If XOR result is not zero, result is not equal to expected, so some fields are missed.
			// Bits of fields which would be set are actually bits of missed fields.
			missed := bits.OnesCount8(result)
			for bitN := 0; bitN < missed; bitN++ {
				bitIdx := bits.TrailingZeros8(result)
				fieldIdx := i*8 + bitIdx
				var name string
				if fieldIdx < len(jsonFieldsNameOfError) {
					name = jsonFieldsNameOfError[fieldIdx]
				} else {
					name = strconv.Itoa(fieldIdx)
				}
				failures = append(failures, validate.FieldError{
					Name:  name,
					Error: validate.ErrFieldRequired,
				})
				// Reset bit.
				result &^= 1 << bitIdx
			}
		}
	}
	if len(failures) > 0 {
		return &validate.Error{Fields: failures}
	}

	return nil
}

// MarshalJSON implements stdjson.Marshaler.
func (s *Error) MarshalJSON() ([]byte, error) {
	e := jx.Encoder{}
	s.Encode(&e)
	return e.Bytes(), nil
}

// UnmarshalJSON implements stdjson.Unmarshaler.
func (s *Error) UnmarshalJSON(data []byte) error {
	d := jx.DecodeBytes(data)
	return s.Decode(d)
}

// Encode encodes bool as json.
func (o OptBool) Encode(e *jx.Encoder) {
	if !o.Set {
		return
	}
	e.Bool(bool(o.Value))
}

// Decode decodes bool from json.
func (o *OptBool) Decode(d *jx.Decoder) error {
	if o == nil {
		return errors.New("invalid: unable to decode OptBool to nil")
	}
	o.Set = true
	v, err := d.Bool()
	if err != nil {
		return err
	}
	o.Value = bool(v)
	return nil
}

// MarshalJSON implements stdjson.Marshaler.
func (s OptBool) MarshalJSON() ([]byte, error) {
	e := jx.Encoder{}
	s.Encode(&e)
	return e.Bytes(), nil
}

// UnmarshalJSON implements stdjson.Unmarshaler.
func (s *OptBool) UnmarshalJSON(data []byte) error {
	d := jx.DecodeBytes(data)
	return s.Decode(d)
}

// Encode encodes time.Time as json.
func (o OptDateTime) Encode(e *jx.Encoder, format func(*jx.Encoder, time.Time)) {
	if !o.Set {
		return
	}
	format(e, o.Value)
}

// Decode decodes time.Time from json.
func (o *OptDateTime) Decode(d *jx.Decoder, format func(*jx.Decoder) (time.Time, error)) error {
	if o == nil {
		return errors.New("invalid: unable to decode OptDateTime to nil")
	}
	o.Set = true
	v, err := format(d)
	if err != nil {
		return err
	}
	o.Value = v
	return nil
}

// MarshalJSON implements stdjson.Marshaler.
func (s OptDateTime) MarshalJSON() ([]byte, error) {
	e := jx.Encoder{}
	s.Encode(&e, json.EncodeDateTime)
	return e.Bytes(), nil
}

// UnmarshalJSON implements stdjson.Unmarshaler.
func (s *OptDateTime) UnmarshalJSON(data []byte) error {
	d := jx.DecodeBytes(data)
	return s.Decode(d, json.DecodeDateTime)
}

// Encode encodes string as json.
func (o OptString) Encode(e *jx.Encoder) {
	if !o.Set {
		return
	}
	e.Str(string(o.Value))
}

// Decode decodes string from json.
func (o *OptString) Decode(d *jx.Decoder) error {
	if o == nil {
		return errors.New("invalid: unable to decode OptString to nil")
	}
	o.Set = true
	v, err := d.Str()
	if err != nil {
		return err
	}
	o.Value = string(v)
	return nil
}

// MarshalJSON implements stdjson.Marshaler.
func (s OptString) MarshalJSON() ([]byte, error) {
	e := jx.Encoder{}
	s.Encode(&e)
	return e.Bytes(), nil
}

// UnmarshalJSON implements stdjson.Unmarshaler.
func (s *OptString) UnmarshalJSON(data []byte) error {
	d := jx.DecodeBytes(data)
	return s.Decode(d)
}

// Encode implements json.Marshaler.
func (s *PredictionResult) Encode(e *jx.Encoder) {
	e.ObjStart()
	s.encodeFields(e)
	e.ObjEnd()
}

// encodeFields encodes fields.
func (s *PredictionResult) encodeFields(e *jx.Encoder) {
	{
		e.FieldStart("metadata")
		s.Metadata.Encode(e)
	}
	{
		e.FieldStart("prediction")
		e.ArrStart()
		for _, elem := range s.Prediction {
			elem.Encode(e)
		}
		e.ArrEnd()
	}
}

var jsonFieldsNameOfPredictionResult = [2]string{
	0: "metadata",
	1: "prediction",
}

// Decode decodes PredictionResult from json.
func (s *PredictionResult) Decode(d *jx.Decoder) error {
	if s == nil {
		return errors.New("invalid: unable to decode PredictionResult to nil")
	}
	var requiredBitSet [1]uint8

	if err := d.ObjBytes(func(d *jx.Decoder, k []byte) error {
		switch string(k) {
		case "metadata":
			requiredBitSet[0] |= 1 << 0
			if err := func() error {
				if err := s.Metadata.Decode(d); err != nil {
					return err
				}
				return nil
			}(); err != nil {
				return errors.Wrap(err, "decode field \"metadata\"")
			}
		case "prediction":
			requiredBitSet[0] |= 1 << 1
			if err := func() error {
				s.Prediction = make([]PredictionResultPredictionItem, 0)
				if err := d.Arr(func(d *jx.Decoder) error {
					var elem PredictionResultPredictionItem
					if err := elem.Decode(d); err != nil {
						return err
					}
					s.Prediction = append(s.Prediction, elem)
					return nil
				}); err != nil {
					return err
				}
				return nil
			}(); err != nil {
				return errors.Wrap(err, "decode field \"prediction\"")
			}
		default:
			return d.Skip()
		}
		return nil
	}); err != nil {
		return errors.Wrap(err, "decode PredictionResult")
	}
	// Validate required fields.
	var failures []validate.FieldError
	for i, mask := range [1]uint8{
		0b00000011,
	} {
		if result := (requiredBitSet[i] & mask) ^ mask; result != 0 {
			// Mask only required fields and check equality to mask using XOR.
			//
			// If XOR result is not zero, result is not equal to expected, so some fields are missed.
			// Bits of fields which would be set are actually bits of missed fields.
			missed := bits.OnesCount8(result)
			for bitN := 0; bitN < missed; bitN++ {
				bitIdx := bits.TrailingZeros8(result)
				fieldIdx := i*8 + bitIdx
				var name string
				if fieldIdx < len(jsonFieldsNameOfPredictionResult) {
					name = jsonFieldsNameOfPredictionResult[fieldIdx]
				} else {
					name = strconv.Itoa(fieldIdx)
				}
				failures = append(failures, validate.FieldError{
					Name:  name,
					Error: validate.ErrFieldRequired,
				})
				// Reset bit.
				result &^= 1 << bitIdx
			}
		}
	}
	if len(failures) > 0 {
		return &validate.Error{Fields: failures}
	}

	return nil
}

// MarshalJSON implements stdjson.Marshaler.
func (s *PredictionResult) MarshalJSON() ([]byte, error) {
	e := jx.Encoder{}
	s.Encode(&e)
	return e.Bytes(), nil
}

// UnmarshalJSON implements stdjson.Unmarshaler.
func (s *PredictionResult) UnmarshalJSON(data []byte) error {
	d := jx.DecodeBytes(data)
	return s.Decode(d)
}

// Encode implements json.Marshaler.
func (s *PredictionResultMetadata) Encode(e *jx.Encoder) {
	e.ObjStart()
	s.encodeFields(e)
	e.ObjEnd()
}

// encodeFields encodes fields.
func (s *PredictionResultMetadata) encodeFields(e *jx.Encoder) {
	{
		e.FieldStart("complete_datetime")
		json.EncodeDateTime(e, s.CompleteDatetime)
	}
	{
		e.FieldStart("start_datetime")
		json.EncodeDateTime(e, s.StartDatetime)
	}
}

var jsonFieldsNameOfPredictionResultMetadata = [2]string{
	0: "complete_datetime",
	1: "start_datetime",
}

// Decode decodes PredictionResultMetadata from json.
func (s *PredictionResultMetadata) Decode(d *jx.Decoder) error {
	if s == nil {
		return errors.New("invalid: unable to decode PredictionResultMetadata to nil")
	}
	var requiredBitSet [1]uint8

	if err := d.ObjBytes(func(d *jx.Decoder, k []byte) error {
		switch string(k) {
		case "complete_datetime":
			requiredBitSet[0] |= 1 << 0
			if err := func() error {
				v, err := json.DecodeDateTime(d)
				s.CompleteDatetime = v
				if err != nil {
					return err
				}
				return nil
			}(); err != nil {
				return errors.Wrap(err, "decode field \"complete_datetime\"")
			}
		case "start_datetime":
			requiredBitSet[0] |= 1 << 1
			if err := func() error {
				v, err := json.DecodeDateTime(d)
				s.StartDatetime = v
				if err != nil {
					return err
				}
				return nil
			}(); err != nil {
				return errors.Wrap(err, "decode field \"start_datetime\"")
			}
		default:
			return d.Skip()
		}
		return nil
	}); err != nil {
		return errors.Wrap(err, "decode PredictionResultMetadata")
	}
	// Validate required fields.
	var failures []validate.FieldError
	for i, mask := range [1]uint8{
		0b00000011,
	} {
		if result := (requiredBitSet[i] & mask) ^ mask; result != 0 {
			// Mask only required fields and check equality to mask using XOR.
			//
			// If XOR result is not zero, result is not equal to expected, so some fields are missed.
			// Bits of fields which would be set are actually bits of missed fields.
			missed := bits.OnesCount8(result)
			for bitN := 0; bitN < missed; bitN++ {
				bitIdx := bits.TrailingZeros8(result)
				fieldIdx := i*8 + bitIdx
				var name string
				if fieldIdx < len(jsonFieldsNameOfPredictionResultMetadata) {
					name = jsonFieldsNameOfPredictionResultMetadata[fieldIdx]
				} else {
					name = strconv.Itoa(fieldIdx)
				}
				failures = append(failures, validate.FieldError{
					Name:  name,
					Error: validate.ErrFieldRequired,
				})
				// Reset bit.
				result &^= 1 << bitIdx
			}
		}
	}
	if len(failures) > 0 {
		return &validate.Error{Fields: failures}
	}

	return nil
}

// MarshalJSON implements stdjson.Marshaler.
func (s *PredictionResultMetadata) MarshalJSON() ([]byte, error) {
	e := jx.Encoder{}
	s.Encode(&e)
	return e.Bytes(), nil
}

// UnmarshalJSON implements stdjson.Unmarshaler.
func (s *PredictionResultMetadata) UnmarshalJSON(data []byte) error {
	d := jx.DecodeBytes(data)
	return s.Decode(d)
}

// Encode implements json.Marshaler.
func (s *PredictionResultPredictionItem) Encode(e *jx.Encoder) {
	e.ObjStart()
	s.encodeFields(e)
	e.ObjEnd()
}

// encodeFields encodes fields.
func (s *PredictionResultPredictionItem) encodeFields(e *jx.Encoder) {
	{
		e.FieldStart("stage")
		s.Stage.Encode(e)
	}
	{
		e.FieldStart("trajectory")
		e.ArrStart()
		for _, elem := range s.Trajectory {
			elem.Encode(e)
		}
		e.ArrEnd()
	}
}

var jsonFieldsNameOfPredictionResultPredictionItem = [2]string{
	0: "stage",
	1: "trajectory",
}

// Decode decodes PredictionResultPredictionItem from json.
func (s *PredictionResultPredictionItem) Decode(d *jx.Decoder) error {
	if s == nil {
		return errors.New("invalid: unable to decode PredictionResultPredictionItem to nil")
	}
	var requiredBitSet [1]uint8

	if err := d.ObjBytes(func(d *jx.Decoder, k []byte) error {
		switch string(k) {
		case "stage":
			requiredBitSet[0] |= 1 << 0
			if err := func() error {
				if err := s.Stage.Decode(d); err != nil {
					return err
				}
				return nil
			}(); err != nil {
				return errors.Wrap(err, "decode field \"stage\"")
			}
		case "trajectory":
			requiredBitSet[0] |= 1 << 1
			if err := func() error {
				s.Trajectory = make([]PredictionResultPredictionItemTrajectoryItem, 0)
				if err := d.Arr(func(d *jx.Decoder) error {
					var elem PredictionResultPredictionItemTrajectoryItem
					if err := elem.Decode(d); err != nil {
						return err
					}
					s.Trajectory = append(s.Trajectory, elem)
					return nil
				}); err != nil {
					return err
				}
				return nil
			}(); err != nil {
				return errors.Wrap(err, "decode field \"trajectory\"")
			}
		default:
			return d.Skip()
		}
		return nil
	}); err != nil {
		return errors.Wrap(err, "decode PredictionResultPredictionItem")
	}
	// Validate required fields.
	var failures []validate.FieldError
	for i, mask := range [1]uint8{
		0b00000011,
	} {
		if result := (requiredBitSet[i] & mask) ^ mask; result != 0 {
			// Mask only required fields and check equality to mask using XOR.
			//
			// If XOR result is not zero, result is not equal to expected, so some fields are missed.
			// Bits of fields which would be set are actually bits of missed fields.
			missed := bits.OnesCount8(result)
			for bitN := 0; bitN < missed; bitN++ {
				bitIdx := bits.TrailingZeros8(result)
				fieldIdx := i*8 + bitIdx
				var name string
				if fieldIdx < len(jsonFieldsNameOfPredictionResultPredictionItem) {
					name = jsonFieldsNameOfPredictionResultPredictionItem[fieldIdx]
				} else {
					name = strconv.Itoa(fieldIdx)
				}
				failures = append(failures, validate.FieldError{
					Name:  name,
					Error: validate.ErrFieldRequired,
				})
				// Reset bit.
				result &^= 1 << bitIdx
			}
		}
	}
	if len(failures) > 0 {
		return &validate.Error{Fields: failures}
	}

	return nil
}

// MarshalJSON implements stdjson.Marshaler.
func (s *PredictionResultPredictionItem) MarshalJSON() ([]byte, error) {
	e := jx.Encoder{}
	s.Encode(&e)
	return e.Bytes(), nil
}

// UnmarshalJSON implements stdjson.Unmarshaler.
func (s *PredictionResultPredictionItem) UnmarshalJSON(data []byte) error {
	d := jx.DecodeBytes(data)
	return s.Decode(d)
}

// Encode encodes PredictionResultPredictionItemStage as json.
func (s PredictionResultPredictionItemStage) Encode(e *jx.Encoder) {
	e.Str(string(s))
}

// Decode decodes PredictionResultPredictionItemStage from json.
func (s *PredictionResultPredictionItemStage) Decode(d *jx.Decoder) error {
	if s == nil {
		return errors.New("invalid: unable to decode PredictionResultPredictionItemStage to nil")
	}
	v, err := d.StrBytes()
	if err != nil {
		return err
	}
	// Try to use constant string.
	switch PredictionResultPredictionItemStage(v) {
	case PredictionResultPredictionItemStageAscent:
		*s = PredictionResultPredictionItemStageAscent
	case PredictionResultPredictionItemStageDescent:
		*s = PredictionResultPredictionItemStageDescent
	case PredictionResultPredictionItemStageFloat:
		*s = PredictionResultPredictionItemStageFloat
	default:
		*s = PredictionResultPredictionItemStage(v)
	}

	return nil
}

// MarshalJSON implements stdjson.Marshaler.
func (s PredictionResultPredictionItemStage) MarshalJSON() ([]byte, error) {
	e := jx.Encoder{}
	s.Encode(&e)
	return e.Bytes(), nil
}

// UnmarshalJSON implements stdjson.Unmarshaler.
func (s *PredictionResultPredictionItemStage) UnmarshalJSON(data []byte) error {
	d := jx.DecodeBytes(data)
	return s.Decode(d)
}

// Encode implements json.Marshaler.
func (s *PredictionResultPredictionItemTrajectoryItem) Encode(e *jx.Encoder) {
	e.ObjStart()
	s.encodeFields(e)
	e.ObjEnd()
}

// encodeFields encodes fields.
func (s *PredictionResultPredictionItemTrajectoryItem) encodeFields(e *jx.Encoder) {
	{
		e.FieldStart("datetime")
		json.EncodeDateTime(e, s.Datetime)
	}
	{
		e.FieldStart("latitude")
		e.Float64(s.Latitude)
	}
	{
		e.FieldStart("longitude")
		e.Float64(s.Longitude)
	}
	{
		e.FieldStart("altitude")
		e.Float64(s.Altitude)
	}
}

var jsonFieldsNameOfPredictionResultPredictionItemTrajectoryItem = [4]string{
	0: "datetime",
	1: "latitude",
	2: "longitude",
	3: "altitude",
}

// Decode decodes PredictionResultPredictionItemTrajectoryItem from json.
func (s *PredictionResultPredictionItemTrajectoryItem) Decode(d *jx.Decoder) error {
	if s == nil {
		return errors.New("invalid: unable to decode PredictionResultPredictionItemTrajectoryItem to nil")
	}
	var requiredBitSet [1]uint8

	if err := d.ObjBytes(func(d *jx.Decoder, k []byte) error {
		switch string(k) {
		case "datetime":
			requiredBitSet[0] |= 1 << 0
			if err := func() error {
				v, err := json.DecodeDateTime(d)
				s.Datetime = v
				if err != nil {
					return err
				}
				return nil
			}(); err != nil {
				return errors.Wrap(err, "decode field \"datetime\"")
			}
		case "latitude":
			requiredBitSet[0] |= 1 << 1
			if err := func() error {
				v, err := d.Float64()
				s.Latitude = float64(v)
				if err != nil {
					return err
				}
				return nil
			}(); err != nil {
				return errors.Wrap(err, "decode field \"latitude\"")
			}
		case "longitude":
			requiredBitSet[0] |= 1 << 2
			if err := func() error {
				v, err := d.Float64()
				s.Longitude = float64(v)
				if err != nil {
					return err
				}
				return nil
			}(); err != nil {
				return errors.Wrap(err, "decode field \"longitude\"")
			}
		case "altitude":
			requiredBitSet[0] |= 1 << 3
			if err := func() error {
				v, err := d.Float64()
				s.Altitude = float64(v)
				if err != nil {
					return err
				}
				return nil
			}(); err != nil {
				return errors.Wrap(err, "decode field \"altitude\"")
			}
		default:
			return d.Skip()
		}
		return nil
	}); err != nil {
		return errors.Wrap(err, "decode PredictionResultPredictionItemTrajectoryItem")
	}
	// Validate required fields.
	var failures []validate.FieldError
	for i, mask := range [1]uint8{
		0b00001111,
	} {
		if result := (requiredBitSet[i] & mask) ^ mask; result != 0 {
			// Mask only required fields and check equality to mask using XOR.
			//
			// If XOR result is not zero, result is not equal to expected, so some fields are missed.
			// Bits of fields which would be set are actually bits of missed fields.
			missed := bits.OnesCount8(result)
			for bitN := 0; bitN < missed; bitN++ {
				bitIdx := bits.TrailingZeros8(result)
				fieldIdx := i*8 + bitIdx
				var name string
				if fieldIdx < len(jsonFieldsNameOfPredictionResultPredictionItemTrajectoryItem) {
					name = jsonFieldsNameOfPredictionResultPredictionItemTrajectoryItem[fieldIdx]
				} else {
					name = strconv.Itoa(fieldIdx)
				}
				failures = append(failures, validate.FieldError{
					Name:  name,
					Error: validate.ErrFieldRequired,
				})
				// Reset bit.
				result &^= 1 << bitIdx
			}
		}
	}
	if len(failures) > 0 {
		return &validate.Error{Fields: failures}
	}

	return nil
}

// MarshalJSON implements stdjson.Marshaler.
func (s *PredictionResultPredictionItemTrajectoryItem) MarshalJSON() ([]byte, error) {
	e := jx.Encoder{}
	s.Encode(&e)
	return e.Bytes(), nil
}

// UnmarshalJSON implements stdjson.Unmarshaler.
func (s *PredictionResultPredictionItemTrajectoryItem) UnmarshalJSON(data []byte) error {
	d := jx.DecodeBytes(data)
	return s.Decode(d)
}

// Encode implements json.Marshaler.
func (s *ReadinessResponse) Encode(e *jx.Encoder) {
	e.ObjStart()
	s.encodeFields(e)
	e.ObjEnd()
}

// encodeFields encodes fields.
func (s *ReadinessResponse) encodeFields(e *jx.Encoder) {
	{
		e.FieldStart("status")
		s.Status.Encode(e)
	}
	{
		if s.LastUpdate.Set {
			e.FieldStart("last_update")
			s.LastUpdate.Encode(e, json.EncodeDateTime)
		}
	}
	{
		if s.IsFresh.Set {
			e.FieldStart("is_fresh")
			s.IsFresh.Encode(e)
		}
	}
	{
		if s.ErrorMessage.Set {
			e.FieldStart("error_message")
			s.ErrorMessage.Encode(e)
		}
	}
}

var jsonFieldsNameOfReadinessResponse = [4]string{
	0: "status",
	1: "last_update",
	2: "is_fresh",
	3: "error_message",
}

// Decode decodes ReadinessResponse from json.
func (s *ReadinessResponse) Decode(d *jx.Decoder) error {
	if s == nil {
		return errors.New("invalid: unable to decode ReadinessResponse to nil")
	}
	var requiredBitSet [1]uint8

	if err := d.ObjBytes(func(d *jx.Decoder, k []byte) error {
		switch string(k) {
		case "status":
			requiredBitSet[0] |= 1 << 0
			if err := func() error {
				if err := s.Status.Decode(d); err != nil {
					return err
				}
				return nil
			}(); err != nil {
				return errors.Wrap(err, "decode field \"status\"")
			}
		case "last_update":
			if err := func() error {
				s.LastUpdate.Reset()
				if err := s.LastUpdate.Decode(d, json.DecodeDateTime); err != nil {
					return err
				}
				return nil
			}(); err != nil {
				return errors.Wrap(err, "decode field \"last_update\"")
			}
		case "is_fresh":
			if err := func() error {
				s.IsFresh.Reset()
				if err := s.IsFresh.Decode(d); err != nil {
					return err
				}
				return nil
			}(); err != nil {
				return errors.Wrap(err, "decode field \"is_fresh\"")
			}
		case "error_message":
			if err := func() error {
				s.ErrorMessage.Reset()
				if err := s.ErrorMessage.Decode(d); err != nil {
					return err
				}
				return nil
			}(); err != nil {
				return errors.Wrap(err, "decode field \"error_message\"")
			}
		default:
			return d.Skip()
		}
		return nil
	}); err != nil {
		return errors.Wrap(err, "decode ReadinessResponse")
	}
	// Validate required fields.
	var failures []validate.FieldError
	for i, mask := range [1]uint8{
		0b00000001,
	} {
		if result := (requiredBitSet[i] & mask) ^ mask; result != 0 {
			// Mask only required fields and check equality to mask using XOR.
			//
			// If XOR result is not zero, result is not equal to expected, so some fields are missed.
			// Bits of fields which would be set are actually bits of missed fields.
			missed := bits.OnesCount8(result)
			for bitN := 0; bitN < missed; bitN++ {
				bitIdx := bits.TrailingZeros8(result)
				fieldIdx := i*8 + bitIdx
				var name string
				if fieldIdx < len(jsonFieldsNameOfReadinessResponse) {
					name = jsonFieldsNameOfReadinessResponse[fieldIdx]
				} else {
					name = strconv.Itoa(fieldIdx)
				}
				failures = append(failures, validate.FieldError{
					Name:  name,
					Error: validate.ErrFieldRequired,
				})
				// Reset bit.
				result &^= 1 << bitIdx
			}
		}
	}
	if len(failures) > 0 {
		return &validate.Error{Fields: failures}
	}

	return nil
}

// MarshalJSON implements stdjson.Marshaler.
func (s *ReadinessResponse) MarshalJSON() ([]byte, error) {
	e := jx.Encoder{}
	s.Encode(&e)
	return e.Bytes(), nil
}

// UnmarshalJSON implements stdjson.Unmarshaler.
func (s *ReadinessResponse) UnmarshalJSON(data []byte) error {
	d := jx.DecodeBytes(data)
	return s.Decode(d)
}

// Encode encodes ReadinessResponseStatus as json.
func (s ReadinessResponseStatus) Encode(e *jx.Encoder) {
	e.Str(string(s))
}

// Decode decodes ReadinessResponseStatus from json.
func (s *ReadinessResponseStatus) Decode(d *jx.Decoder) error {
	if s == nil {
		return errors.New("invalid: unable to decode ReadinessResponseStatus to nil")
	}
	v, err := d.StrBytes()
	if err != nil {
		return err
	}
	// Try to use constant string.
	switch ReadinessResponseStatus(v) {
	case ReadinessResponseStatusOk:
		*s = ReadinessResponseStatusOk
	case ReadinessResponseStatusNotReady:
		*s = ReadinessResponseStatusNotReady
	case ReadinessResponseStatusError:
		*s = ReadinessResponseStatusError
	default:
		*s = ReadinessResponseStatus(v)
	}

	return nil
}

// MarshalJSON implements stdjson.Marshaler.
func (s ReadinessResponseStatus) MarshalJSON() ([]byte, error) {
	e := jx.Encoder{}
	s.Encode(&e)
	return e.Bytes(), nil
}

// UnmarshalJSON implements stdjson.Unmarshaler.
func (s *ReadinessResponseStatus) UnmarshalJSON(data []byte) error {
	d := jx.DecodeBytes(data)
	return s.Decode(d)
}