import { CustomFunctionLogger } from '../logger';
import { ContextService } from '../context/contextService';
export interface GenerateTextPayload {
    userPrompt: string;
    outputSchema: any;
}
export interface GenerateTextResult {
    /** The generated text, or the parsed object when an outputSchema was supplied. */
    result: any;
    /**
     * Handle for submitting feedback on this generation. Absent when the AI service predates
     * MEX-336 and does not send run_id, so callers must treat it as optional.
     */
    runId?: string;
}
export interface ProcessFileInput {
    data: Buffer;
    filename: string;
    contentType: string;
}
export interface ProcessFilePayload {
    files: ProcessFileInput[];
    prompt?: string;
    responseSchema?: any;
}
export declare class AIService {
    private _contextService;
    private _logger;
    constructor(_contextService: ContextService, _logger: CustomFunctionLogger);
    generateText: (payload: GenerateTextPayload) => Promise<GenerateTextResult>;
    processFile: (payload: ProcessFilePayload) => Promise<any>;
    private assertSafeHeaderValue;
    private postForResult;
    private postForBody;
}
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