import type { StandardSchemaV1 } from '../../types/standard-schema.js';
export declare class ToolValidationError extends Error {
    readonly issues: ReadonlyArray<StandardSchemaV1.Issue>;
    constructor(message: string, issues: ReadonlyArray<StandardSchemaV1.Issue>);
}
export declare function validateAndSanitize<T>(schema: StandardSchemaV1 | undefined, value: unknown, toolName: string): Promise<T>;
export declare function validateOutput(schema: StandardSchemaV1 | undefined, value: unknown, toolName: string): Promise<unknown>;