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import { Span, Token } from "../parser/recursive-descent-parser.ts";import { Extensions, Reserved } from "./extensions-and-reserved.ts";import { Field, FieldOptions, Group, MapField, Oneof } from "./fields.ts";import { Option, StatementBase } from "./index.ts";import {  Empty,  Keyword,  Semi,  SignedIntLit,  Type,} from "./lexical-elements.ts";
export type Node =  | Enum  | EnumBody  | EnumField  | Message  | MessageBody  | Extend  | ExtendBody  | Service  | ServiceBody  | Rpc  | RpcBody;
export interface Enum extends StatementBase {  type: "enum";  keyword: Keyword;  enumName: Token;  enumBody: EnumBody;}
export interface EnumBody extends Span {  type: "enum-body";  bracketOpen: Token;  statements: EnumBodyStatement[];  bracketClose: Token;}
export type EnumBodyStatement =  | Option  | EnumField  | Empty;
export interface EnumField extends StatementBase {  type: "enum-field";  fieldName: Token;  eq: Token;  fieldNumber: SignedIntLit;  fieldOptions?: FieldOptions;  semi: Semi;}
export interface Message extends StatementBase {  type: "message";  keyword: Keyword;  messageName: Token;  messageBody: MessageBody;}
export interface MessageBody extends Span {  type: "message-body";  bracketOpen: Token;  statements: MessageBodyStatement[];  bracketClose: Token;}
export type MessageBodyStatement =  | Field  | Enum  | Message  | Extend  | Extensions  | Group  | Option  | Oneof  | MapField  | Reserved  | Empty;
export interface Extend extends StatementBase {  type: "extend";  keyword: Keyword;  messageType: Type;  extendBody: ExtendBody;}
export interface ExtendBody extends Span {  type: "extend-body";  bracketOpen: Token;  statements: ExtendBodyStatement[];  bracketClose: Token;}
export type ExtendBodyStatement =  | Field  | Group  | Empty;
export interface Service extends StatementBase {  type: "service";  keyword: Keyword;  serviceName: Token;  serviceBody: ServiceBody;}
export interface ServiceBody extends Span {  type: "service-body";  bracketOpen: Token;  statements: ServiceBodyStatement[];  bracketClose: Token;}
export type ServiceBodyStatement = Option | Rpc | Empty;
export interface Rpc extends StatementBase {  type: "rpc";  keyword: Keyword;  rpcName: Token;  reqType: RpcType;  returns: Token;  resType: RpcType;  semiOrRpcBody: Semi | RpcBody;}
export interface RpcBody extends Span {  type: "rpc-body";  bracketOpen: Token;  statements: RpcBodyStatement[];  bracketClose: Token;}
export type RpcBodyStatement =  | Option  | Empty;
export interface RpcType extends Span {  bracketOpen: Token;  stream?: Keyword;  messageType: Type;  bracketClose: Token;}