import { type AgentMessageStream, type AgentRequestBase, type AgentResponder, type AgentResponse } from "@mono-agent/agent-contracts";
export interface OpenAIApiRequestMetadata {
    readonly requestId: string;
    readonly model: string;
    readonly stream: boolean;
    readonly method: string;
    readonly path: string;
    readonly receivedAt: string;
    readonly remoteAddress?: string;
    readonly headers: Record<string, string | string[] | undefined>;
    readonly parameters: Record<string, unknown>;
    readonly attachments?: OpenAIApiAttachmentMetadata;
}
export type OpenAIApiAttachmentUrlKind = "data" | "remote" | "file" | "other";
export type OpenAIApiImageDetail = "auto" | "low" | "high";
export interface OpenAIApiImageAttachment {
    readonly type: "image";
    readonly source: "image_url";
    readonly url: string;
    readonly urlKind: OpenAIApiAttachmentUrlKind;
    readonly mediaType?: string;
    readonly detail?: OpenAIApiImageDetail;
    readonly messageRole: string;
    readonly messageIndex: number;
    readonly contentPartIndex: number;
}
export type OpenAIApiAttachment = OpenAIApiImageAttachment;
export interface OpenAIApiImageAttachmentMetadata {
    readonly type: "image";
    readonly source: "image_url";
    readonly urlKind: OpenAIApiAttachmentUrlKind;
    readonly mediaType?: string;
    readonly detail?: OpenAIApiImageDetail;
    readonly messageRole: string;
    readonly messageIndex: number;
    readonly contentPartIndex: number;
}
export interface OpenAIApiAttachmentMetadata {
    readonly count: number;
    readonly images: readonly OpenAIApiImageAttachmentMetadata[];
}
export interface OpenAIApiChatRequest extends AgentRequestBase {
    readonly conversationId: string;
    readonly text: string;
    readonly imageAttachments: readonly OpenAIApiAttachment[];
    readonly abortSignal: AbortSignal;
    readonly metadata: {
        readonly openaiApi: OpenAIApiRequestMetadata;
        readonly [key: string]: unknown;
    };
}
export interface OpenAIApiAdapterLogger {
    debug?(message: string, metadata?: Record<string, unknown>): void;
    info?(message: string, metadata?: Record<string, unknown>): void;
    warn?(message: string, metadata?: Record<string, unknown>): void;
    error?(message: string, metadata?: Record<string, unknown>): void;
}
export interface OpenAIApiAdapterOptions {
    readonly host?: string;
    readonly port?: number;
    readonly basePath?: string;
    readonly allowNonLoopback?: boolean;
    readonly apiKey?: string;
    readonly modelId?: string;
    /**
     * Per-field UTF-8 preview upper bound for tool arguments/results rendered
     * into SSE. The adapter may lower it to satisfy the complete frame cap;
     * callers may lower, but never raise, the hard default boundary.
     */
    readonly maxToolPayloadBytes?: number;
    readonly responder: AgentResponder<OpenAIApiChatRequest, AgentMessageStream, AgentResponse>;
    readonly logger?: OpenAIApiAdapterLogger;
}
export interface OpenAIApiAdapterStartResult {
    /** Primary usable origin (loopback for wildcard binds), never an unspecified address. */
    readonly url: string;
    readonly baseUrl: string;
    /** Every concrete loopback/private-LAN/Tailscale base URL discovered for this bind. */
    readonly baseUrls: readonly string[];
    readonly modelsUrl: string;
    readonly chatCompletionsUrl: string;
    readonly host: string;
    readonly port: number;
    stop(): Promise<void>;
}
export declare function startOpenAIApiAdapter(options: OpenAIApiAdapterOptions): Promise<OpenAIApiAdapterStartResult>;
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