/**
 * Simple GraphQL HTTP client with pagination and authentication support.
 * Used by the GraphQL export flow to fetch data from the Constructive GraphQL API.
 */
import { GraphQLTypeInfo } from './graphql-naming';
interface GraphQLClientOptions {
    endpoint: string;
    token?: string;
    headers?: Record<string, string>;
}
export declare class GraphQLClient {
    private endpoint;
    private defaultHeaders;
    constructor({ endpoint, token, headers }: GraphQLClientOptions);
    /**
     * Execute a single GraphQL query with retry for transient network errors.
     */
    query<T = any>(queryString: string, variables?: Record<string, unknown>, retries?: number): Promise<T>;
    /**
     * Fetch all rows from a paginated GraphQL connection, handling cursor-based pagination.
     * Returns all nodes across all pages.
     */
    fetchAllNodes<T = Record<string, unknown>>(queryFieldName: string, fieldsFragment: string, condition?: Record<string, unknown>, pageSize?: number, orderBy?: string): Promise<T[]>;
    private buildConnectionArgs;
    /**
     * Introspect a GraphQL type to discover its fields and their types.
     * Used by the dynamic export flow to discover what fields are available
     * instead of hardcoding them in META_TABLE_CONFIG.
     *
     * Returns a Map of camelCase field name → { typeName, list, nonNull }.
     */
    introspectType(typeName: string): Promise<Map<string, GraphQLTypeInfo>>;
}
export {};