import { DocumentInterface } from "@langchain/core/documents";
import { BaseDocumentCompressor } from "@langchain/core/retrievers/document_compressors";
import { WatsonXAI } from "@ibm-cloud/watsonx-ai";
import { WatsonxAuth, WatsonxParams } from "../types/ibm.js";
export interface WatsonxInputRerank extends Omit<WatsonxParams, "idOrName"> {
    truncateInputTokens?: number;
    returnOptions?: {
        topN?: number;
        inputs?: boolean;
    };
}
export declare class WatsonxRerank extends BaseDocumentCompressor implements WatsonxInputRerank {
    maxRetries: number;
    version: string;
    truncateInputTokens?: number | undefined;
    returnOptions?: {
        topN?: number;
        inputs?: boolean;
        query?: boolean;
    } | undefined;
    model: string;
    spaceId?: string | undefined;
    projectId?: string | undefined;
    maxConcurrency?: number | undefined;
    serviceUrl: string;
    service: WatsonXAI;
    constructor(fields: WatsonxInputRerank & WatsonxAuth);
    scopeId(): {
        projectId: string;
        modelId: string;
        spaceId?: undefined;
    } | {
        spaceId: string | undefined;
        modelId: string;
        projectId?: undefined;
    };
    invocationParams(options?: Partial<WatsonxInputRerank>): {
        truncate_input_tokens: number | undefined;
        return_options: {
            top_n: number | undefined;
            inputs: boolean | undefined;
        };
    };
    compressDocuments(documents: DocumentInterface[], query: string): Promise<DocumentInterface[]>;
    rerank(documents: Array<DocumentInterface | string | Record<"pageContent", string>>, query: string, options?: Partial<WatsonxInputRerank>): Promise<Array<{
        index: number;
        relevanceScore: number;
        input?: string;
    }>>;
}