import type { CodeGeneratorRequest } from "google-protobuf/google/protobuf/compiler/plugin_pb.js";
import type { DescriptorProto, FileDescriptorProto, EnumDescriptorProto, FieldDescriptorProto as FieldDescriptorProtoType } from "google-protobuf/google/protobuf/descriptor_pb.js";
import type { BinaryReader, BinaryWriter } from "google-protobuf";
export declare function lowerCase(str: string): string;
export declare function uniqueBy<T>(arr: T[], cb: (el: T) => unknown): T[];
export declare function cycleDetected(node: string, graph: string[]): boolean;
type ReaderMethod = keyof BinaryReader | "map";
type WriterMethod = keyof BinaryWriter | "map";
interface Descriptor {
    defaultValue: string;
    jsonParser: string;
    jsonSerializer: string;
    map: boolean;
    optional: boolean;
    read: ReaderMethod;
    readPacked: ReaderMethod | undefined;
    repeated: boolean;
    tsType: string;
    tsTypeJSON: string;
    write: WriterMethod;
}
export declare function getDescriptor(field: FieldDescriptorProtoType, identifierTable: IdentifierTable, fileDescriptorProto: FileDescriptorProto): Descriptor | undefined;
export declare function getProtobufTSFileName(protoFileName: string): string;
export declare function getProtobufJSFileName(protoFileName: string): string;
export declare const KNOWN_TYPES: string[];
/**
 * [namespacedIdentifier, file, package, publicImport]
 */
export type IdentifierTable = {
    namespacedIdentifier: string;
    file: string;
    package: string;
    publicImport: string | undefined;
    descriptorProto: DescriptorProto | EnumDescriptorProto;
}[];
/**
 * Example
 * '.protobuf_unittest_import.PublicImportMessage', 'google/protobuf/unittest_import_public.proto', 'protobuf_unittest_import', 'protobuf_unittest_import_public'
 */
export declare function buildIdentifierTable(request: CodeGeneratorRequest): IdentifierTable;
export interface Import {
    identifier: string;
    path: string;
    moduleName: string;
}
interface Comments {
    leading: string | undefined;
    trailing: string | undefined;
}
interface EnumOpts {
    name: string;
    namespacedName: string;
    namespacedNameJSON: string;
    values: {
        name: string;
        value: number;
        comments?: Comments;
    }[];
    comments?: Comments;
}
interface Field extends Descriptor {
    comments?: Comments;
    index: number;
    jsonName: string | undefined;
    name: string;
    protoName: string;
}
interface MessageOpts {
    name: string;
    namespacedName: string;
    namespacedNameJSON: string;
    fields: Field[];
    comments?: Comments;
    isMap: boolean;
}
export type EnumType = {
    type: "enum";
    content: EnumOpts;
};
export type MessageType = {
    type: "message";
    content: MessageOpts;
    children: ProtoTypes[];
};
export type ProtoTypes = EnumType | MessageType;
export interface Service {
    name: string;
    methods: {
        name: string;
        input: string;
        inputJSON: string;
        output: string;
        outputJSON: string;
        comments?: Comments;
    }[];
    comments?: Comments;
}
export interface ParsedAst {
    packageName: string | undefined;
    imports: {
        identifiers: string[];
        moduleName: string;
        path: string;
    }[];
    types: ProtoTypes[];
    services: Service[];
}
export declare function processTypes(fileDescriptorProto: FileDescriptorProto, identifierTable: IdentifierTable, isTS: boolean): ParsedAst;
export {};