import { Scope, ScopeRegistration } from "@iyio/common";
import { ConvoCompletionMessage, ConvoCompletionService, ConvoModelInfo, FlatConvoConversationBase } from "./convo-types";
export declare const defaultConvoHttpEndpointPrefix = "/convo-lang";
export declare const defaultConvoHttpApiEndpointPrefix: string;
export declare const httpConvoCompletionEndpointParam: import("@iyio/common").ParamTypeDef<string>;
export declare const convoHttpRelayModule: (scope: ScopeRegistration) => void;
export interface HttpConvoCompletionServiceOptions {
    /**
     * Endpoint to relay messages to. If an array is provided load balancing will be preformed
     * by evenly distributing request between each URL.
     */
    endpoint: string | string[];
}
/**
 * Forwards messages to an convo-lang api endpoint or pool of convo-lang api endpoints.
 *
 * ## Endpoint structure
 *
 * ### POST /completion (flat:FlatConvoConversationBase) => ConvoCompletionMessage[]
 * Completes a posted flat conversation and returns the completed messages.
 *
 * ### POST /convo (convo:string) => string
 * Completes a convo conversation as a string and returns the completed messages as a string
 *
 * ### GET /models ()=>ConvoModelInfo[]
 * Returns all models known to the server
 */
export declare class HttpConvoCompletionService implements ConvoCompletionService<FlatConvoConversationBase, ConvoCompletionMessage[]> {
    static fromScope(scope: Scope): HttpConvoCompletionService;
    readonly inputType = "FlatConvoConversation";
    readonly outputType = "ConvoCompletionMessageAry";
    private readonly endpoint;
    constructor({ endpoint }: HttpConvoCompletionServiceOptions);
    canComplete(model: string | undefined, flat: FlatConvoConversationBase): boolean;
    private endpointIndex;
    private getEndpoint;
    completeConvoAsync(flat: FlatConvoConversationBase): Promise<ConvoCompletionMessage[]>;
    getModelsAsync(): Promise<ConvoModelInfo[] | undefined>;
}