/**
 * @license
 * Copyright 2024 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */
import { BehaviorSchema, Schema } from "@google-labs/breadboard";
export declare function resolveArrayType(value: Schema): string;
export declare function resolveBehaviorType(value: Schema | Schema[] | undefined): BehaviorSchema | BehaviorSchema[] | null;
export declare const validate: (item: unknown, schema: unknown) => {
    valid: boolean;
    errors: string;
} | {
    valid: boolean;
    errors?: undefined;
};
export declare function isLLMContent(item: unknown): boolean;
export declare function assertIsLLMContent(item: unknown): void;
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