/**
 * Copyright (c) 2026, Salesforce, Inc.,
 * All rights reserved.
 * For full license text, see the LICENSE.txt file
 */
import { type GraphQLSchema } from "graphql";
export interface ValidationError {
    message: string;
    locations?: {
        line: number;
        column: number;
    }[];
}
/**
 * Validates a complete GraphQL query string against a schema.
 * Uses graphql-js's parse() + validate() for comprehensive checking.
 */
export declare function validateQuery(schema: GraphQLSchema, queryString: string): ValidationError[];
export interface InputValidationError {
    path: string;
    message: string;
}
/**
 * Validates a JSON value against a named input type from the schema.
 * Recursively checks field names, nested types, and basic type compatibility.
 */
export declare function validateInputValue(schema: GraphQLSchema, typeName: string, value: unknown): InputValidationError[];