import { PrimitiveField, PrimitiveTypescriptType } from "joist-codegen";
import { Code, Import } from "ts-poet";
import { Fs } from "./utils";
/** A type for the fields we want to add to `*.graphql` files. */
export type GqlField = {
    file: string;
    objectType: "input" | "output";
    objectName: string;
    fieldName: string;
    fieldType: string;
    argsString?: string;
    extends?: boolean;
};
export type GqlUnion = {
    file: string;
    objectName: string;
    objectType: "union";
    types: string[];
};
export type GqlEntry = GqlField | GqlUnion;
/** Given a `file` and `fields` to go in it (for potentially different objects), upserts into the existing types. */
export declare function upsertIntoFile(fs: Fs, file: string, fields: GqlEntry[]): Promise<void>;
export declare function formatGraphQL(content: string): Promise<string>;
export type GraphQLType = "Boolean" | "String" | "Int" | "Date" | "DateTime" | string;
export type SupportedTypescriptTypes = Exclude<PrimitiveTypescriptType, "Object" | Import>;
export declare function mapTypescriptTypeToGraphQLType(fieldName: string, type: PrimitiveTypescriptType | Import | Code): GraphQLType | undefined;
export declare function isJsonbColumn(p: PrimitiveField): boolean;
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