import { ResultSpan } from '../ResultSpan';
import { IResultSpanAggregate } from './IResultSpanAggregate';
/**
 * Base class for ResultSpan aggregators.
 * Provides common functionality for all aggregator implementations.
 */
export declare abstract class ResultSpanAggregateBase implements IResultSpanAggregate {
    private _id;
    private _displayName;
    /**
     * Creates a new instance of ResultSpanAggregateBase.
     *
     * @param id - Unique identifier for this aggregator
     * @param displayName - Human-readable display name for this aggregator
     */
    constructor(id: string, displayName: string);
    /**
     * Gets the unique identifier for this aggregator.
     */
    get id(): string;
    /**
     * Gets the display name for this aggregator.
     */
    get displayName(): string;
    /**
     * Process a collection of ResultSpan objects to calculate aggregated statistics.
     * This method must be implemented by derived classes.
     *
     * @param spans - Collection of ResultSpan objects to aggregate
     * @returns An object containing the aggregated statistics
     */
    abstract aggregate(spans: ResultSpan[]): Record<string, any>;
}