schema

type Builder interface {
	Context() context.Context
	Describe(valueType reflect.Type) (*Node, error)
	FlattenStruct(node *Node, structType reflect.Type) error
	Define(name string, build func() (*Node, error)) (*Node, error)
}

type Describer interface {
	DescribeSchema(builder Builder) (*Node, error)
}

type Node struct {
	SchemaURI             string                           `json:"$schema,omitempty"`
	ID                    string                           `json:"$id,omitempty"`
	Ref                   string                           `json:"$ref,omitempty"`
	Type                  any                              `json:"type,omitempty"`
	Const                 any                              `json:"const,omitempty"`
	Enum                  []any                            `json:"enum,omitempty"`
	Pattern               string                           `json:"pattern,omitempty"`
	Minimum               *int64                           `json:"minimum,omitempty"`
	Maximum               *uint64                          `json:"maximum,omitempty"`
	Items                 *Node                            `json:"items,omitempty"`
	Properties            *badjson.TypedMap[string, *Node] `json:"properties,omitempty"`
	Required              []string                         `json:"required,omitempty"`
	PropertyNames         *Node                            `json:"propertyNames,omitempty"`
	AdditionalProperties  any                              `json:"additionalProperties,omitempty"`
	UnevaluatedProperties any                              `json:"unevaluatedProperties,omitempty"`
	AllOf                 []*Node                          `json:"allOf,omitempty"`
	AnyOf                 []*Node                          `json:"anyOf,omitempty"`
	OneOf                 []*Node                          `json:"oneOf,omitempty"`
	Deprecated            bool                             `json:"deprecated,omitempty"`
	Examples              []any                            `json:"examples,omitempty"`
	TagReference          string                           `json:"x-tag-reference,omitempty"`
	Defs                  *badjson.TypedMap[string, *Node] `json:"$defs,omitempty"`
}

type UnionVariant struct {
	Value        any
	StructType   reflect.Type
	TypeOptional bool
}