import { NameNode, TypeNode, NamedTypeNode, GraphQLObjectType, GraphQLOutputType, GraphQLNamedType, GraphQLSchema, StringValueNode } from 'graphql';
import { ScalarsMap } from '@graphql-codegen/visitor-plugin-common';
export declare const getConfigValue: <T = any>(value: T, defaultValue: T) => T;
export declare function getBaseType(type: GraphQLOutputType): GraphQLNamedType;
export declare function quoteIfNeeded(array: string[], joinWith?: string): string;
export declare function block(array: any): string;
export declare function wrapWithSingleQuotes(str: string | NameNode): string;
export declare function breakLine(str: string): string;
export declare function indent(str: string, count?: number): string;
export declare function indentMultiline(str: string, count?: number): string;
export interface DeclarationBlockConfig {
    blockWrapper?: string;
    blockTransformer?: (block: string) => string;
    enumNameValueSeparator?: string;
}
export declare function transformComment(comment: string | StringValueNode, indentLevel?: number): string;
export declare class DeclarationBlock {
    private _config;
    _decorator: any;
    _export: boolean;
    _name: any;
    _kind: any;
    _methodName: any;
    _content: any;
    _block: any;
    _nameGenerics: any;
    _comment: any;
    _ignoreBlockWrapper: boolean;
    constructor(_config: DeclarationBlockConfig);
    withDecorator(decorator: string): DeclarationBlock;
    export(exp?: boolean): DeclarationBlock;
    asKind(kind: string): DeclarationBlock;
    withComment(comment: string | StringValueNode | null): DeclarationBlock;
    withMethodCall(methodName: string, ignoreBlockWrapper?: boolean): DeclarationBlock;
    withBlock(block: string): DeclarationBlock;
    withContent(content: string): DeclarationBlock;
    withName(name: string | NameNode, generics?: string | null): DeclarationBlock;
    readonly string: string;
}
export declare function getBaseTypeNode(typeNode: TypeNode): NamedTypeNode;
export declare function convertNameParts(str: string, func: (str: string) => string, removeUnderscore?: boolean): string;
export declare function toPascalCase(str: string, transformUnderscore?: boolean): string;
export declare function buildScalars(schema: GraphQLSchema, scalarsMapping: ScalarsMap): ScalarsMap;
export declare function isRootType(type: GraphQLNamedType, schema: GraphQLSchema): type is GraphQLObjectType;
export declare function getRootTypeNames(schema: GraphQLSchema): string[];
export declare function stripMapperTypeInterpolation(identifier: string): string;
export declare const OMIT_TYPE = "export type Omit<T, K extends keyof T> = Pick<T, Exclude<keyof T, K>>;";
export declare const REQUIRE_FIELDS_TYPE = "export type RequireFields<T, K extends keyof T> = { [X in Exclude<keyof T, K>]?: T[X] } & { [P in K]-?: NonNullable<T[P]> };";