import type { UnknownObject } from '../../../types/common-types.js';
export interface PreflightIssue {
    code: string;
    level: 'error' | 'warn';
    message?: string;
}
export interface PreflightResult {
    sanitizedRequest: UnknownObject;
    payload: UnknownObject;
    warnings: string[];
    issues: PreflightIssue[];
}
export declare function sanitizeAndValidateOpenAIChat(request: UnknownObject, _options?: UnknownObject): PreflightResult;