import { StatsClient } from '@segment/actions-core/destination-kit';
import { StatsArgs, OperationStats, OperationStatsContext, TryCatchFinallyHook, TrackedError, StatsTags } from './operationTracking';
import { EngageActionPerformer } from './EngageActionPerformer';
export declare class EngageStats extends OperationStats {
    actionPerformer: EngageActionPerformer;
    static getTryCatchFinallyHook(_ctx: OperationStatsContext): TryCatchFinallyHook<OperationStatsContext>;
    constructor(actionPerformer: EngageActionPerformer);
    onTry(ctx: OperationStatsContext): () => void;
    get statsClient(): StatsClient | undefined;
    get tags(): string[];
    _tags: string[];
    stats(statsArgs: StatsArgs): void;
    incr(metric: string, value?: number, tags?: StatsTags): void;
    histogram(metric: string, value?: number, tags?: StatsTags): void;
    set(metric: string, value?: number, tags?: StatsTags): void;
    extractTagsFromError(error: TrackedError, ctx: OperationStatsContext): string[];
    getOperationNameTag(ctx: OperationStatsContext): string | undefined;
}