import type { Message, UnsupportedCapabilityIssue } from '@use-crux/core';
import { estimateOpenAIMediaTokens } from './media-token-estimate';
/** OpenAI media checks consumed by the core-owned pre-request boundary. */
export declare const openAIMediaHooks: Readonly<{
    validate: ({ model, messages, }: Readonly<{
        model: string;
        messages: readonly Message[];
    }>) => readonly UnsupportedCapabilityIssue[];
    estimateTokens: typeof estimateOpenAIMediaTokens;
}>;