// Code generated by smithy-go-codegen DO NOT EDIT.

package migrationhuborchestrator

import (
	"context"
	"fmt"
	smithy "github.com/aws/smithy-go"
	"github.com/aws/smithy-go/middleware"
)

type validateOpCreateWorkflow struct {
}

func (*validateOpCreateWorkflow) ID() string {
	return "OperationInputValidation"
}

func (m *validateOpCreateWorkflow) HandleInitialize(ctx context.Context, in middleware.InitializeInput, next middleware.InitializeHandler) (
	out middleware.InitializeOutput, metadata middleware.Metadata, err error,
) {
	input, ok := in.Parameters.(*CreateWorkflowInput)
	if !ok {
		return out, metadata, fmt.Errorf("unknown input parameters type %T", in.Parameters)
	}
	if err := validateOpCreateWorkflowInput(input); err != nil {
		return out, metadata, err
	}
	return next.HandleInitialize(ctx, in)
}

type validateOpCreateWorkflowStepGroup struct {
}

func (*validateOpCreateWorkflowStepGroup) ID() string {
	return "OperationInputValidation"
}

func (m *validateOpCreateWorkflowStepGroup) HandleInitialize(ctx context.Context, in middleware.InitializeInput, next middleware.InitializeHandler) (
	out middleware.InitializeOutput, metadata middleware.Metadata, err error,
) {
	input, ok := in.Parameters.(*CreateWorkflowStepGroupInput)
	if !ok {
		return out, metadata, fmt.Errorf("unknown input parameters type %T", in.Parameters)
	}
	if err := validateOpCreateWorkflowStepGroupInput(input); err != nil {
		return out, metadata, err
	}
	return next.HandleInitialize(ctx, in)
}

type validateOpCreateWorkflowStep struct {
}

func (*validateOpCreateWorkflowStep) ID() string {
	return "OperationInputValidation"
}

func (m *validateOpCreateWorkflowStep) HandleInitialize(ctx context.Context, in middleware.InitializeInput, next middleware.InitializeHandler) (
	out middleware.InitializeOutput, metadata middleware.Metadata, err error,
) {
	input, ok := in.Parameters.(*CreateWorkflowStepInput)
	if !ok {
		return out, metadata, fmt.Errorf("unknown input parameters type %T", in.Parameters)
	}
	if err := validateOpCreateWorkflowStepInput(input); err != nil {
		return out, metadata, err
	}
	return next.HandleInitialize(ctx, in)
}

type validateOpDeleteWorkflow struct {
}

func (*validateOpDeleteWorkflow) ID() string {
	return "OperationInputValidation"
}

func (m *validateOpDeleteWorkflow) HandleInitialize(ctx context.Context, in middleware.InitializeInput, next middleware.InitializeHandler) (
	out middleware.InitializeOutput, metadata middleware.Metadata, err error,
) {
	input, ok := in.Parameters.(*DeleteWorkflowInput)
	if !ok {
		return out, metadata, fmt.Errorf("unknown input parameters type %T", in.Parameters)
	}
	if err := validateOpDeleteWorkflowInput(input); err != nil {
		return out, metadata, err
	}
	return next.HandleInitialize(ctx, in)
}

type validateOpDeleteWorkflowStepGroup struct {
}

func (*validateOpDeleteWorkflowStepGroup) ID() string {
	return "OperationInputValidation"
}

func (m *validateOpDeleteWorkflowStepGroup) HandleInitialize(ctx context.Context, in middleware.InitializeInput, next middleware.InitializeHandler) (
	out middleware.InitializeOutput, metadata middleware.Metadata, err error,
) {
	input, ok := in.Parameters.(*DeleteWorkflowStepGroupInput)
	if !ok {
		return out, metadata, fmt.Errorf("unknown input parameters type %T", in.Parameters)
	}
	if err := validateOpDeleteWorkflowStepGroupInput(input); err != nil {
		return out, metadata, err
	}
	return next.HandleInitialize(ctx, in)
}

type validateOpDeleteWorkflowStep struct {
}

func (*validateOpDeleteWorkflowStep) ID() string {
	return "OperationInputValidation"
}

func (m *validateOpDeleteWorkflowStep) HandleInitialize(ctx context.Context, in middleware.InitializeInput, next middleware.InitializeHandler) (
	out middleware.InitializeOutput, metadata middleware.Metadata, err error,
) {
	input, ok := in.Parameters.(*DeleteWorkflowStepInput)
	if !ok {
		return out, metadata, fmt.Errorf("unknown input parameters type %T", in.Parameters)
	}
	if err := validateOpDeleteWorkflowStepInput(input); err != nil {
		return out, metadata, err
	}
	return next.HandleInitialize(ctx, in)
}

type validateOpGetTemplate struct {
}

func (*validateOpGetTemplate) ID() string {
	return "OperationInputValidation"
}

func (m *validateOpGetTemplate) HandleInitialize(ctx context.Context, in middleware.InitializeInput, next middleware.InitializeHandler) (
	out middleware.InitializeOutput, metadata middleware.Metadata, err error,
) {
	input, ok := in.Parameters.(*GetTemplateInput)
	if !ok {
		return out, metadata, fmt.Errorf("unknown input parameters type %T", in.Parameters)
	}
	if err := validateOpGetTemplateInput(input); err != nil {
		return out, metadata, err
	}
	return next.HandleInitialize(ctx, in)
}

type validateOpGetTemplateStepGroup struct {
}

func (*validateOpGetTemplateStepGroup) ID() string {
	return "OperationInputValidation"
}

func (m *validateOpGetTemplateStepGroup) HandleInitialize(ctx context.Context, in middleware.InitializeInput, next middleware.InitializeHandler) (
	out middleware.InitializeOutput, metadata middleware.Metadata, err error,
) {
	input, ok := in.Parameters.(*GetTemplateStepGroupInput)
	if !ok {
		return out, metadata, fmt.Errorf("unknown input parameters type %T", in.Parameters)
	}
	if err := validateOpGetTemplateStepGroupInput(input); err != nil {
		return out, metadata, err
	}
	return next.HandleInitialize(ctx, in)
}

type validateOpGetTemplateStep struct {
}

func (*validateOpGetTemplateStep) ID() string {
	return "OperationInputValidation"
}

func (m *validateOpGetTemplateStep) HandleInitialize(ctx context.Context, in middleware.InitializeInput, next middleware.InitializeHandler) (
	out middleware.InitializeOutput, metadata middleware.Metadata, err error,
) {
	input, ok := in.Parameters.(*GetTemplateStepInput)
	if !ok {
		return out, metadata, fmt.Errorf("unknown input parameters type %T", in.Parameters)
	}
	if err := validateOpGetTemplateStepInput(input); err != nil {
		return out, metadata, err
	}
	return next.HandleInitialize(ctx, in)
}

type validateOpGetWorkflow struct {
}

func (*validateOpGetWorkflow) ID() string {
	return "OperationInputValidation"
}

func (m *validateOpGetWorkflow) HandleInitialize(ctx context.Context, in middleware.InitializeInput, next middleware.InitializeHandler) (
	out middleware.InitializeOutput, metadata middleware.Metadata, err error,
) {
	input, ok := in.Parameters.(*GetWorkflowInput)
	if !ok {
		return out, metadata, fmt.Errorf("unknown input parameters type %T", in.Parameters)
	}
	if err := validateOpGetWorkflowInput(input); err != nil {
		return out, metadata, err
	}
	return next.HandleInitialize(ctx, in)
}

type validateOpGetWorkflowStepGroup struct {
}

func (*validateOpGetWorkflowStepGroup) ID() string {
	return "OperationInputValidation"
}

func (m *validateOpGetWorkflowStepGroup) HandleInitialize(ctx context.Context, in middleware.InitializeInput, next middleware.InitializeHandler) (
	out middleware.InitializeOutput, metadata middleware.Metadata, err error,
) {
	input, ok := in.Parameters.(*GetWorkflowStepGroupInput)
	if !ok {
		return out, metadata, fmt.Errorf("unknown input parameters type %T", in.Parameters)
	}
	if err := validateOpGetWorkflowStepGroupInput(input); err != nil {
		return out, metadata, err
	}
	return next.HandleInitialize(ctx, in)
}

type validateOpGetWorkflowStep struct {
}

func (*validateOpGetWorkflowStep) ID() string {
	return "OperationInputValidation"
}

func (m *validateOpGetWorkflowStep) HandleInitialize(ctx context.Context, in middleware.InitializeInput, next middleware.InitializeHandler) (
	out middleware.InitializeOutput, metadata middleware.Metadata, err error,
) {
	input, ok := in.Parameters.(*GetWorkflowStepInput)
	if !ok {
		return out, metadata, fmt.Errorf("unknown input parameters type %T", in.Parameters)
	}
	if err := validateOpGetWorkflowStepInput(input); err != nil {
		return out, metadata, err
	}
	return next.HandleInitialize(ctx, in)
}

type validateOpListTagsForResource struct {
}

func (*validateOpListTagsForResource) ID() string {
	return "OperationInputValidation"
}

func (m *validateOpListTagsForResource) HandleInitialize(ctx context.Context, in middleware.InitializeInput, next middleware.InitializeHandler) (
	out middleware.InitializeOutput, metadata middleware.Metadata, err error,
) {
	input, ok := in.Parameters.(*ListTagsForResourceInput)
	if !ok {
		return out, metadata, fmt.Errorf("unknown input parameters type %T", in.Parameters)
	}
	if err := validateOpListTagsForResourceInput(input); err != nil {
		return out, metadata, err
	}
	return next.HandleInitialize(ctx, in)
}

type validateOpListTemplateStepGroups struct {
}

func (*validateOpListTemplateStepGroups) ID() string {
	return "OperationInputValidation"
}

func (m *validateOpListTemplateStepGroups) HandleInitialize(ctx context.Context, in middleware.InitializeInput, next middleware.InitializeHandler) (
	out middleware.InitializeOutput, metadata middleware.Metadata, err error,
) {
	input, ok := in.Parameters.(*ListTemplateStepGroupsInput)
	if !ok {
		return out, metadata, fmt.Errorf("unknown input parameters type %T", in.Parameters)
	}
	if err := validateOpListTemplateStepGroupsInput(input); err != nil {
		return out, metadata, err
	}
	return next.HandleInitialize(ctx, in)
}

type validateOpListTemplateSteps struct {
}

func (*validateOpListTemplateSteps) ID() string {
	return "OperationInputValidation"
}

func (m *validateOpListTemplateSteps) HandleInitialize(ctx context.Context, in middleware.InitializeInput, next middleware.InitializeHandler) (
	out middleware.InitializeOutput, metadata middleware.Metadata, err error,
) {
	input, ok := in.Parameters.(*ListTemplateStepsInput)
	if !ok {
		return out, metadata, fmt.Errorf("unknown input parameters type %T", in.Parameters)
	}
	if err := validateOpListTemplateStepsInput(input); err != nil {
		return out, metadata, err
	}
	return next.HandleInitialize(ctx, in)
}

type validateOpListWorkflowStepGroups struct {
}

func (*validateOpListWorkflowStepGroups) ID() string {
	return "OperationInputValidation"
}

func (m *validateOpListWorkflowStepGroups) HandleInitialize(ctx context.Context, in middleware.InitializeInput, next middleware.InitializeHandler) (
	out middleware.InitializeOutput, metadata middleware.Metadata, err error,
) {
	input, ok := in.Parameters.(*ListWorkflowStepGroupsInput)
	if !ok {
		return out, metadata, fmt.Errorf("unknown input parameters type %T", in.Parameters)
	}
	if err := validateOpListWorkflowStepGroupsInput(input); err != nil {
		return out, metadata, err
	}
	return next.HandleInitialize(ctx, in)
}

type validateOpListWorkflowSteps struct {
}

func (*validateOpListWorkflowSteps) ID() string {
	return "OperationInputValidation"
}

func (m *validateOpListWorkflowSteps) HandleInitialize(ctx context.Context, in middleware.InitializeInput, next middleware.InitializeHandler) (
	out middleware.InitializeOutput, metadata middleware.Metadata, err error,
) {
	input, ok := in.Parameters.(*ListWorkflowStepsInput)
	if !ok {
		return out, metadata, fmt.Errorf("unknown input parameters type %T", in.Parameters)
	}
	if err := validateOpListWorkflowStepsInput(input); err != nil {
		return out, metadata, err
	}
	return next.HandleInitialize(ctx, in)
}

type validateOpRetryWorkflowStep struct {
}

func (*validateOpRetryWorkflowStep) ID() string {
	return "OperationInputValidation"
}

func (m *validateOpRetryWorkflowStep) HandleInitialize(ctx context.Context, in middleware.InitializeInput, next middleware.InitializeHandler) (
	out middleware.InitializeOutput, metadata middleware.Metadata, err error,
) {
	input, ok := in.Parameters.(*RetryWorkflowStepInput)
	if !ok {
		return out, metadata, fmt.Errorf("unknown input parameters type %T", in.Parameters)
	}
	if err := validateOpRetryWorkflowStepInput(input); err != nil {
		return out, metadata, err
	}
	return next.HandleInitialize(ctx, in)
}

type validateOpStartWorkflow struct {
}

func (*validateOpStartWorkflow) ID() string {
	return "OperationInputValidation"
}

func (m *validateOpStartWorkflow) HandleInitialize(ctx context.Context, in middleware.InitializeInput, next middleware.InitializeHandler) (
	out middleware.InitializeOutput, metadata middleware.Metadata, err error,
) {
	input, ok := in.Parameters.(*StartWorkflowInput)
	if !ok {
		return out, metadata, fmt.Errorf("unknown input parameters type %T", in.Parameters)
	}
	if err := validateOpStartWorkflowInput(input); err != nil {
		return out, metadata, err
	}
	return next.HandleInitialize(ctx, in)
}

type validateOpStopWorkflow struct {
}

func (*validateOpStopWorkflow) ID() string {
	return "OperationInputValidation"
}

func (m *validateOpStopWorkflow) HandleInitialize(ctx context.Context, in middleware.InitializeInput, next middleware.InitializeHandler) (
	out middleware.InitializeOutput, metadata middleware.Metadata, err error,
) {
	input, ok := in.Parameters.(*StopWorkflowInput)
	if !ok {
		return out, metadata, fmt.Errorf("unknown input parameters type %T", in.Parameters)
	}
	if err := validateOpStopWorkflowInput(input); err != nil {
		return out, metadata, err
	}
	return next.HandleInitialize(ctx, in)
}

type validateOpTagResource struct {
}

func (*validateOpTagResource) ID() string {
	return "OperationInputValidation"
}

func (m *validateOpTagResource) HandleInitialize(ctx context.Context, in middleware.InitializeInput, next middleware.InitializeHandler) (
	out middleware.InitializeOutput, metadata middleware.Metadata, err error,
) {
	input, ok := in.Parameters.(*TagResourceInput)
	if !ok {
		return out, metadata, fmt.Errorf("unknown input parameters type %T", in.Parameters)
	}
	if err := validateOpTagResourceInput(input); err != nil {
		return out, metadata, err
	}
	return next.HandleInitialize(ctx, in)
}

type validateOpUntagResource struct {
}

func (*validateOpUntagResource) ID() string {
	return "OperationInputValidation"
}

func (m *validateOpUntagResource) HandleInitialize(ctx context.Context, in middleware.InitializeInput, next middleware.InitializeHandler) (
	out middleware.InitializeOutput, metadata middleware.Metadata, err error,
) {
	input, ok := in.Parameters.(*UntagResourceInput)
	if !ok {
		return out, metadata, fmt.Errorf("unknown input parameters type %T", in.Parameters)
	}
	if err := validateOpUntagResourceInput(input); err != nil {
		return out, metadata, err
	}
	return next.HandleInitialize(ctx, in)
}

type validateOpUpdateWorkflow struct {
}

func (*validateOpUpdateWorkflow) ID() string {
	return "OperationInputValidation"
}

func (m *validateOpUpdateWorkflow) HandleInitialize(ctx context.Context, in middleware.InitializeInput, next middleware.InitializeHandler) (
	out middleware.InitializeOutput, metadata middleware.Metadata, err error,
) {
	input, ok := in.Parameters.(*UpdateWorkflowInput)
	if !ok {
		return out, metadata, fmt.Errorf("unknown input parameters type %T", in.Parameters)
	}
	if err := validateOpUpdateWorkflowInput(input); err != nil {
		return out, metadata, err
	}
	return next.HandleInitialize(ctx, in)
}

type validateOpUpdateWorkflowStepGroup struct {
}

func (*validateOpUpdateWorkflowStepGroup) ID() string {
	return "OperationInputValidation"
}

func (m *validateOpUpdateWorkflowStepGroup) HandleInitialize(ctx context.Context, in middleware.InitializeInput, next middleware.InitializeHandler) (
	out middleware.InitializeOutput, metadata middleware.Metadata, err error,
) {
	input, ok := in.Parameters.(*UpdateWorkflowStepGroupInput)
	if !ok {
		return out, metadata, fmt.Errorf("unknown input parameters type %T", in.Parameters)
	}
	if err := validateOpUpdateWorkflowStepGroupInput(input); err != nil {
		return out, metadata, err
	}
	return next.HandleInitialize(ctx, in)
}

type validateOpUpdateWorkflowStep struct {
}

func (*validateOpUpdateWorkflowStep) ID() string {
	return "OperationInputValidation"
}

func (m *validateOpUpdateWorkflowStep) HandleInitialize(ctx context.Context, in middleware.InitializeInput, next middleware.InitializeHandler) (
	out middleware.InitializeOutput, metadata middleware.Metadata, err error,
) {
	input, ok := in.Parameters.(*UpdateWorkflowStepInput)
	if !ok {
		return out, metadata, fmt.Errorf("unknown input parameters type %T", in.Parameters)
	}
	if err := validateOpUpdateWorkflowStepInput(input); err != nil {
		return out, metadata, err
	}
	return next.HandleInitialize(ctx, in)
}

func addOpCreateWorkflowValidationMiddleware(stack *middleware.Stack) error {
	return stack.Initialize.Add(&validateOpCreateWorkflow{}, middleware.After)
}

func addOpCreateWorkflowStepGroupValidationMiddleware(stack *middleware.Stack) error {
	return stack.Initialize.Add(&validateOpCreateWorkflowStepGroup{}, middleware.After)
}

func addOpCreateWorkflowStepValidationMiddleware(stack *middleware.Stack) error {
	return stack.Initialize.Add(&validateOpCreateWorkflowStep{}, middleware.After)
}

func addOpDeleteWorkflowValidationMiddleware(stack *middleware.Stack) error {
	return stack.Initialize.Add(&validateOpDeleteWorkflow{}, middleware.After)
}

func addOpDeleteWorkflowStepGroupValidationMiddleware(stack *middleware.Stack) error {
	return stack.Initialize.Add(&validateOpDeleteWorkflowStepGroup{}, middleware.After)
}

func addOpDeleteWorkflowStepValidationMiddleware(stack *middleware.Stack) error {
	return stack.Initialize.Add(&validateOpDeleteWorkflowStep{}, middleware.After)
}

func addOpGetTemplateValidationMiddleware(stack *middleware.Stack) error {
	return stack.Initialize.Add(&validateOpGetTemplate{}, middleware.After)
}

func addOpGetTemplateStepGroupValidationMiddleware(stack *middleware.Stack) error {
	return stack.Initialize.Add(&validateOpGetTemplateStepGroup{}, middleware.After)
}

func addOpGetTemplateStepValidationMiddleware(stack *middleware.Stack) error {
	return stack.Initialize.Add(&validateOpGetTemplateStep{}, middleware.After)
}

func addOpGetWorkflowValidationMiddleware(stack *middleware.Stack) error {
	return stack.Initialize.Add(&validateOpGetWorkflow{}, middleware.After)
}

func addOpGetWorkflowStepGroupValidationMiddleware(stack *middleware.Stack) error {
	return stack.Initialize.Add(&validateOpGetWorkflowStepGroup{}, middleware.After)
}

func addOpGetWorkflowStepValidationMiddleware(stack *middleware.Stack) error {
	return stack.Initialize.Add(&validateOpGetWorkflowStep{}, middleware.After)
}

func addOpListTagsForResourceValidationMiddleware(stack *middleware.Stack) error {
	return stack.Initialize.Add(&validateOpListTagsForResource{}, middleware.After)
}

func addOpListTemplateStepGroupsValidationMiddleware(stack *middleware.Stack) error {
	return stack.Initialize.Add(&validateOpListTemplateStepGroups{}, middleware.After)
}

func addOpListTemplateStepsValidationMiddleware(stack *middleware.Stack) error {
	return stack.Initialize.Add(&validateOpListTemplateSteps{}, middleware.After)
}

func addOpListWorkflowStepGroupsValidationMiddleware(stack *middleware.Stack) error {
	return stack.Initialize.Add(&validateOpListWorkflowStepGroups{}, middleware.After)
}

func addOpListWorkflowStepsValidationMiddleware(stack *middleware.Stack) error {
	return stack.Initialize.Add(&validateOpListWorkflowSteps{}, middleware.After)
}

func addOpRetryWorkflowStepValidationMiddleware(stack *middleware.Stack) error {
	return stack.Initialize.Add(&validateOpRetryWorkflowStep{}, middleware.After)
}

func addOpStartWorkflowValidationMiddleware(stack *middleware.Stack) error {
	return stack.Initialize.Add(&validateOpStartWorkflow{}, middleware.After)
}

func addOpStopWorkflowValidationMiddleware(stack *middleware.Stack) error {
	return stack.Initialize.Add(&validateOpStopWorkflow{}, middleware.After)
}

func addOpTagResourceValidationMiddleware(stack *middleware.Stack) error {
	return stack.Initialize.Add(&validateOpTagResource{}, middleware.After)
}

func addOpUntagResourceValidationMiddleware(stack *middleware.Stack) error {
	return stack.Initialize.Add(&validateOpUntagResource{}, middleware.After)
}

func addOpUpdateWorkflowValidationMiddleware(stack *middleware.Stack) error {
	return stack.Initialize.Add(&validateOpUpdateWorkflow{}, middleware.After)
}

func addOpUpdateWorkflowStepGroupValidationMiddleware(stack *middleware.Stack) error {
	return stack.Initialize.Add(&validateOpUpdateWorkflowStepGroup{}, middleware.After)
}

func addOpUpdateWorkflowStepValidationMiddleware(stack *middleware.Stack) error {
	return stack.Initialize.Add(&validateOpUpdateWorkflowStep{}, middleware.After)
}

func validateOpCreateWorkflowInput(v *CreateWorkflowInput) error {
	if v == nil {
		return nil
	}
	invalidParams := smithy.InvalidParamsError{Context: "CreateWorkflowInput"}
	if v.Name == nil {
		invalidParams.Add(smithy.NewErrParamRequired("Name"))
	}
	if v.TemplateId == nil {
		invalidParams.Add(smithy.NewErrParamRequired("TemplateId"))
	}
	if v.ApplicationConfigurationId == nil {
		invalidParams.Add(smithy.NewErrParamRequired("ApplicationConfigurationId"))
	}
	if v.InputParameters == nil {
		invalidParams.Add(smithy.NewErrParamRequired("InputParameters"))
	}
	if invalidParams.Len() > 0 {
		return invalidParams
	} else {
		return nil
	}
}

func validateOpCreateWorkflowStepGroupInput(v *CreateWorkflowStepGroupInput) error {
	if v == nil {
		return nil
	}
	invalidParams := smithy.InvalidParamsError{Context: "CreateWorkflowStepGroupInput"}
	if v.WorkflowId == nil {
		invalidParams.Add(smithy.NewErrParamRequired("WorkflowId"))
	}
	if v.Name == nil {
		invalidParams.Add(smithy.NewErrParamRequired("Name"))
	}
	if invalidParams.Len() > 0 {
		return invalidParams
	} else {
		return nil
	}
}

func validateOpCreateWorkflowStepInput(v *CreateWorkflowStepInput) error {
	if v == nil {
		return nil
	}
	invalidParams := smithy.InvalidParamsError{Context: "CreateWorkflowStepInput"}
	if v.Name == nil {
		invalidParams.Add(smithy.NewErrParamRequired("Name"))
	}
	if v.StepGroupId == nil {
		invalidParams.Add(smithy.NewErrParamRequired("StepGroupId"))
	}
	if v.WorkflowId == nil {
		invalidParams.Add(smithy.NewErrParamRequired("WorkflowId"))
	}
	if len(v.StepActionType) == 0 {
		invalidParams.Add(smithy.NewErrParamRequired("StepActionType"))
	}
	if invalidParams.Len() > 0 {
		return invalidParams
	} else {
		return nil
	}
}

func validateOpDeleteWorkflowInput(v *DeleteWorkflowInput) error {
	if v == nil {
		return nil
	}
	invalidParams := smithy.InvalidParamsError{Context: "DeleteWorkflowInput"}
	if v.Id == nil {
		invalidParams.Add(smithy.NewErrParamRequired("Id"))
	}
	if invalidParams.Len() > 0 {
		return invalidParams
	} else {
		return nil
	}
}

func validateOpDeleteWorkflowStepGroupInput(v *DeleteWorkflowStepGroupInput) error {
	if v == nil {
		return nil
	}
	invalidParams := smithy.InvalidParamsError{Context: "DeleteWorkflowStepGroupInput"}
	if v.WorkflowId == nil {
		invalidParams.Add(smithy.NewErrParamRequired("WorkflowId"))
	}
	if v.Id == nil {
		invalidParams.Add(smithy.NewErrParamRequired("Id"))
	}
	if invalidParams.Len() > 0 {
		return invalidParams
	} else {
		return nil
	}
}

func validateOpDeleteWorkflowStepInput(v *DeleteWorkflowStepInput) error {
	if v == nil {
		return nil
	}
	invalidParams := smithy.InvalidParamsError{Context: "DeleteWorkflowStepInput"}
	if v.Id == nil {
		invalidParams.Add(smithy.NewErrParamRequired("Id"))
	}
	if v.StepGroupId == nil {
		invalidParams.Add(smithy.NewErrParamRequired("StepGroupId"))
	}
	if v.WorkflowId == nil {
		invalidParams.Add(smithy.NewErrParamRequired("WorkflowId"))
	}
	if invalidParams.Len() > 0 {
		return invalidParams
	} else {
		return nil
	}
}

func validateOpGetTemplateInput(v *GetTemplateInput) error {
	if v == nil {
		return nil
	}
	invalidParams := smithy.InvalidParamsError{Context: "GetTemplateInput"}
	if v.Id == nil {
		invalidParams.Add(smithy.NewErrParamRequired("Id"))
	}
	if invalidParams.Len() > 0 {
		return invalidParams
	} else {
		return nil
	}
}

func validateOpGetTemplateStepGroupInput(v *GetTemplateStepGroupInput) error {
	if v == nil {
		return nil
	}
	invalidParams := smithy.InvalidParamsError{Context: "GetTemplateStepGroupInput"}
	if v.TemplateId == nil {
		invalidParams.Add(smithy.NewErrParamRequired("TemplateId"))
	}
	if v.Id == nil {
		invalidParams.Add(smithy.NewErrParamRequired("Id"))
	}
	if invalidParams.Len() > 0 {
		return invalidParams
	} else {
		return nil
	}
}

func validateOpGetTemplateStepInput(v *GetTemplateStepInput) error {
	if v == nil {
		return nil
	}
	invalidParams := smithy.InvalidParamsError{Context: "GetTemplateStepInput"}
	if v.Id == nil {
		invalidParams.Add(smithy.NewErrParamRequired("Id"))
	}
	if v.TemplateId == nil {
		invalidParams.Add(smithy.NewErrParamRequired("TemplateId"))
	}
	if v.StepGroupId == nil {
		invalidParams.Add(smithy.NewErrParamRequired("StepGroupId"))
	}
	if invalidParams.Len() > 0 {
		return invalidParams
	} else {
		return nil
	}
}

func validateOpGetWorkflowInput(v *GetWorkflowInput) error {
	if v == nil {
		return nil
	}
	invalidParams := smithy.InvalidParamsError{Context: "GetWorkflowInput"}
	if v.Id == nil {
		invalidParams.Add(smithy.NewErrParamRequired("Id"))
	}
	if invalidParams.Len() > 0 {
		return invalidParams
	} else {
		return nil
	}
}

func validateOpGetWorkflowStepGroupInput(v *GetWorkflowStepGroupInput) error {
	if v == nil {
		return nil
	}
	invalidParams := smithy.InvalidParamsError{Context: "GetWorkflowStepGroupInput"}
	if v.Id == nil {
		invalidParams.Add(smithy.NewErrParamRequired("Id"))
	}
	if v.WorkflowId == nil {
		invalidParams.Add(smithy.NewErrParamRequired("WorkflowId"))
	}
	if invalidParams.Len() > 0 {
		return invalidParams
	} else {
		return nil
	}
}

func validateOpGetWorkflowStepInput(v *GetWorkflowStepInput) error {
	if v == nil {
		return nil
	}
	invalidParams := smithy.InvalidParamsError{Context: "GetWorkflowStepInput"}
	if v.WorkflowId == nil {
		invalidParams.Add(smithy.NewErrParamRequired("WorkflowId"))
	}
	if v.StepGroupId == nil {
		invalidParams.Add(smithy.NewErrParamRequired("StepGroupId"))
	}
	if v.Id == nil {
		invalidParams.Add(smithy.NewErrParamRequired("Id"))
	}
	if invalidParams.Len() > 0 {
		return invalidParams
	} else {
		return nil
	}
}

func validateOpListTagsForResourceInput(v *ListTagsForResourceInput) error {
	if v == nil {
		return nil
	}
	invalidParams := smithy.InvalidParamsError{Context: "ListTagsForResourceInput"}
	if v.ResourceArn == nil {
		invalidParams.Add(smithy.NewErrParamRequired("ResourceArn"))
	}
	if invalidParams.Len() > 0 {
		return invalidParams
	} else {
		return nil
	}
}

func validateOpListTemplateStepGroupsInput(v *ListTemplateStepGroupsInput) error {
	if v == nil {
		return nil
	}
	invalidParams := smithy.InvalidParamsError{Context: "ListTemplateStepGroupsInput"}
	if v.TemplateId == nil {
		invalidParams.Add(smithy.NewErrParamRequired("TemplateId"))
	}
	if invalidParams.Len() > 0 {
		return invalidParams
	} else {
		return nil
	}
}

func validateOpListTemplateStepsInput(v *ListTemplateStepsInput) error {
	if v == nil {
		return nil
	}
	invalidParams := smithy.InvalidParamsError{Context: "ListTemplateStepsInput"}
	if v.TemplateId == nil {
		invalidParams.Add(smithy.NewErrParamRequired("TemplateId"))
	}
	if v.StepGroupId == nil {
		invalidParams.Add(smithy.NewErrParamRequired("StepGroupId"))
	}
	if invalidParams.Len() > 0 {
		return invalidParams
	} else {
		return nil
	}
}

func validateOpListWorkflowStepGroupsInput(v *ListWorkflowStepGroupsInput) error {
	if v == nil {
		return nil
	}
	invalidParams := smithy.InvalidParamsError{Context: "ListWorkflowStepGroupsInput"}
	if v.WorkflowId == nil {
		invalidParams.Add(smithy.NewErrParamRequired("WorkflowId"))
	}
	if invalidParams.Len() > 0 {
		return invalidParams
	} else {
		return nil
	}
}

func validateOpListWorkflowStepsInput(v *ListWorkflowStepsInput) error {
	if v == nil {
		return nil
	}
	invalidParams := smithy.InvalidParamsError{Context: "ListWorkflowStepsInput"}
	if v.WorkflowId == nil {
		invalidParams.Add(smithy.NewErrParamRequired("WorkflowId"))
	}
	if v.StepGroupId == nil {
		invalidParams.Add(smithy.NewErrParamRequired("StepGroupId"))
	}
	if invalidParams.Len() > 0 {
		return invalidParams
	} else {
		return nil
	}
}

func validateOpRetryWorkflowStepInput(v *RetryWorkflowStepInput) error {
	if v == nil {
		return nil
	}
	invalidParams := smithy.InvalidParamsError{Context: "RetryWorkflowStepInput"}
	if v.WorkflowId == nil {
		invalidParams.Add(smithy.NewErrParamRequired("WorkflowId"))
	}
	if v.StepGroupId == nil {
		invalidParams.Add(smithy.NewErrParamRequired("StepGroupId"))
	}
	if v.Id == nil {
		invalidParams.Add(smithy.NewErrParamRequired("Id"))
	}
	if invalidParams.Len() > 0 {
		return invalidParams
	} else {
		return nil
	}
}

func validateOpStartWorkflowInput(v *StartWorkflowInput) error {
	if v == nil {
		return nil
	}
	invalidParams := smithy.InvalidParamsError{Context: "StartWorkflowInput"}
	if v.Id == nil {
		invalidParams.Add(smithy.NewErrParamRequired("Id"))
	}
	if invalidParams.Len() > 0 {
		return invalidParams
	} else {
		return nil
	}
}

func validateOpStopWorkflowInput(v *StopWorkflowInput) error {
	if v == nil {
		return nil
	}
	invalidParams := smithy.InvalidParamsError{Context: "StopWorkflowInput"}
	if v.Id == nil {
		invalidParams.Add(smithy.NewErrParamRequired("Id"))
	}
	if invalidParams.Len() > 0 {
		return invalidParams
	} else {
		return nil
	}
}

func validateOpTagResourceInput(v *TagResourceInput) error {
	if v == nil {
		return nil
	}
	invalidParams := smithy.InvalidParamsError{Context: "TagResourceInput"}
	if v.ResourceArn == nil {
		invalidParams.Add(smithy.NewErrParamRequired("ResourceArn"))
	}
	if v.Tags == nil {
		invalidParams.Add(smithy.NewErrParamRequired("Tags"))
	}
	if invalidParams.Len() > 0 {
		return invalidParams
	} else {
		return nil
	}
}

func validateOpUntagResourceInput(v *UntagResourceInput) error {
	if v == nil {
		return nil
	}
	invalidParams := smithy.InvalidParamsError{Context: "UntagResourceInput"}
	if v.ResourceArn == nil {
		invalidParams.Add(smithy.NewErrParamRequired("ResourceArn"))
	}
	if v.TagKeys == nil {
		invalidParams.Add(smithy.NewErrParamRequired("TagKeys"))
	}
	if invalidParams.Len() > 0 {
		return invalidParams
	} else {
		return nil
	}
}

func validateOpUpdateWorkflowInput(v *UpdateWorkflowInput) error {
	if v == nil {
		return nil
	}
	invalidParams := smithy.InvalidParamsError{Context: "UpdateWorkflowInput"}
	if v.Id == nil {
		invalidParams.Add(smithy.NewErrParamRequired("Id"))
	}
	if invalidParams.Len() > 0 {
		return invalidParams
	} else {
		return nil
	}
}

func validateOpUpdateWorkflowStepGroupInput(v *UpdateWorkflowStepGroupInput) error {
	if v == nil {
		return nil
	}
	invalidParams := smithy.InvalidParamsError{Context: "UpdateWorkflowStepGroupInput"}
	if v.WorkflowId == nil {
		invalidParams.Add(smithy.NewErrParamRequired("WorkflowId"))
	}
	if v.Id == nil {
		invalidParams.Add(smithy.NewErrParamRequired("Id"))
	}
	if invalidParams.Len() > 0 {
		return invalidParams
	} else {
		return nil
	}
}

func validateOpUpdateWorkflowStepInput(v *UpdateWorkflowStepInput) error {
	if v == nil {
		return nil
	}
	invalidParams := smithy.InvalidParamsError{Context: "UpdateWorkflowStepInput"}
	if v.Id == nil {
		invalidParams.Add(smithy.NewErrParamRequired("Id"))
	}
	if v.StepGroupId == nil {
		invalidParams.Add(smithy.NewErrParamRequired("StepGroupId"))
	}
	if v.WorkflowId == nil {
		invalidParams.Add(smithy.NewErrParamRequired("WorkflowId"))
	}
	if invalidParams.Len() > 0 {
		return invalidParams
	} else {
		return nil
	}
}