import { McpError } from "@modelcontextprotocol/sdk/types.js";
export type JsonPrimitive = string | number | boolean | null;
export type JsonArray = JsonValue[];
export type JsonObject = {
    [key: string]: JsonValue;
};
export type JsonValue = JsonPrimitive | JsonArray | JsonObject;
/**
 * Removes null and undefined values from an object
 */
export declare function cleanObject<T extends JsonObject>(obj: T): Partial<T>;
/**
 * Deep cleans an object or array of null and undefined values
 */
export declare function deepCleanObject<T extends JsonValue>(obj: T): T;
/**
 * Creates a standardized error object
 */
export declare function createError(message: string, code?: number): McpError;
export declare function pickBySchema(obj: any, schema: any): any;
export declare function flattenArraysInObject(input: any, inArray?: boolean): any;