import { GraphQLEnumType, GraphQLInputObjectType, GraphQLType } from 'graphql';
import { CompilerOptions } from 'apollo-codegen-core/lib/compiler';
import * as t from '@babel/types';
export declare type ObjectProperty = {
    name: string;
    description?: string | null | undefined;
    type: t.TSType;
};
export interface TypescriptCompilerOptions extends CompilerOptions {
}
export default class TypescriptGenerator {
    options: TypescriptCompilerOptions;
    typeFromGraphQLType: Function;
    constructor(compilerOptions: TypescriptCompilerOptions);
    enumerationDeclaration(type: GraphQLEnumType): t.ExportNamedDeclaration;
    inputObjectDeclaration(inputObjectType: GraphQLInputObjectType): t.ExportNamedDeclaration;
    typesForProperties(fields: ObjectProperty[], { keyInheritsNullability }?: {
        keyInheritsNullability?: boolean;
    }): t.TSPropertySignature[];
    interface(name: string, fields: ObjectProperty[], { keyInheritsNullability }?: {
        keyInheritsNullability?: boolean;
    }): t.TSInterfaceDeclaration;
    typeAliasGenericUnion(name: string, members: t.TSType[]): t.TSTypeAliasDeclaration;
    exportDeclaration(declaration: t.Declaration): t.ExportNamedDeclaration;
    nameFromScopeStack(scope: string[]): string;
    makeNullableType(type: t.TSType): t.TSUnionType;
    isNullableType(type: t.TSType): boolean;
    import(types: GraphQLType[], source: string): t.ImportDeclaration;
}