import { OpenAI } from 'openai';
import { type LLMAssistanceOptions, type LLMAssistanceResult, type LLMAssistanceMessage, type LLMCreateChatOptions, type LLMCreateChatResult, type LLMCreateFileStorageOptions, type LLMCreateFileStorageResult, type LLMInstanceOptions, LLMProviders, type LLMUploadFileOptions, type LLMUploadFileResult, type LLMStructuredResult, type LLMUploadedFile } from '../../../LLMService.typedefs';
import { type LLMLoggerInterface } from '../../../utilities/logger';
import { type LLMReporterInterface } from '../../../utilities/reporter';
import { LLMAssistanceService } from '../../../services';
import { type LLMSchemaInterface } from '../../../utilities/schema';
export declare class OpenAIAssistanceService<Reporter extends LLMReporterInterface<any> | undefined> extends LLMAssistanceService<LLMProviders.OpenAI, Reporter> {
    private uploadedFiles;
    private chatInstructions;
    /**
     * The restored history a chat was created with, kept only until the chat's
     * first message is traced. The model reads it from the conversation object,
     * so this copy exists so the first generation's traced input shows what the
     * model actually saw rather than the current turn alone.
     */
    private pendingTraceHistory;
    constructor(logger: LLMLoggerInterface | undefined, reporter: Reporter, options?: LLMInstanceOptions[LLMProviders.OpenAI]);
    get instance(): OpenAI;
    uploadFile(fileOptions: LLMUploadFileOptions<Reporter>): Promise<LLMUploadFileResult>;
    getFile(path: string): Promise<LLMUploadedFile | null>;
    deleteFile(fileId: string): Promise<void>;
    createFileStorage(options: LLMCreateFileStorageOptions<LLMProviders.OpenAI, Reporter>): Promise<LLMCreateFileStorageResult>;
    deleteFileStorage(fileStorageId: string): Promise<void>;
    createChat(options: LLMCreateChatOptions<LLMProviders.OpenAI, Reporter>): Promise<LLMCreateChatResult>;
    deleteChat(chatId: string): Promise<void>;
    private prepareAssistTools;
    private extractUsageFromResponse;
    private buildUsageMetrics;
    private readonly buildRoundOutcome;
    /**
     * The transcript a traced round of this turn shows. The Responses API keeps
     * earlier turns of the chat server-side in the conversation object, so a
     * round shows the chat's instructions, the history the chat was restored
     * with, this turn's input items, and everything the tool loop appends to
     * them afterwards. The restored history is shown once, on the chat's first
     * round, because that is the round it was actually read on.
     */
    private startTracedConversation;
    private static buildReasoningRequest;
    protected assistInChatText(options: LLMAssistanceOptions<LLMProviders.OpenAI, Reporter>): Promise<LLMAssistanceResult>;
    protected assistInChatStructured(options: LLMAssistanceOptions<LLMProviders.OpenAI, Reporter> & {
        schema: LLMSchemaInterface;
    }): Promise<LLMStructuredResult>;
    private convertCustomToolsToResponsesAPI;
    private serializeOfferedTools;
    private executeFunctionCall;
    private executeToolLoop;
    private getFunctionCallsFromResponse;
    private convertHistoryToResponsesInput;
    private convertLLMMessageToResponsesInput;
    countTokens(messages: LLMAssistanceMessage[]): Promise<number>;
}