import { BasePlugin } from '@opentelemetry/core';
import type * as mongodb from 'mongodb';
/** MongoDBCore instrumentation plugin for OpenTelemetry */
export declare class MongoDBPlugin extends BasePlugin<typeof mongodb> {
    readonly moduleName: string;
    private readonly _SERVER_METHODS;
    private readonly _CURSOR_METHODS;
    private _hasPatched;
    readonly supportedVersions: string[];
    constructor(moduleName: string);
    /**
     * Patches MongoDB operations.
     */
    protected patch(): any;
    /** Unpatches all MongoDB patched functions. */
    unpatch(): void;
    /** Creates spans for Command operations */
    private _getPatchCommand;
    /**
     * Get the mongodb command type from the object.
     * @param command Internal mongodb command object
     */
    private _getCommandType;
    /**
     * Populate span's attributes by fetching related metadata from the context
     * @param span span to add attributes to
     * @param ns mongodb namespace
     * @param command mongodb internal representation of a command
     * @param topology mongodb internal representation of the network topology
     */
    private _populateAttributes;
    /** Creates spans for Cursor operations */
    private _getPatchCursor;
    /**
     * Ends a created span.
     * @param span The created span to end.
     * @param resultHandler A callback function.
     */
    private _patchEnd;
}
export declare const plugin: MongoDBPlugin;