import type { Headers } from '@temporalio/workflow';
import { type AgentsSpanHeader } from '../common/headers';
export declare function shouldAddTemporalSpans(): boolean;
export declare function isFireAndForgetActivity(activityType: string): boolean;
export declare function maybeTemporalSpan<T>(spanName: string, fn: () => T, data?: Record<string, unknown>): T;
export declare function withInjectedHeader<I extends {
    headers: Headers;
}, T>(input: I, next: (i: I) => Promise<T>, spanConfig?: {
    name: string;
    data?: Record<string, unknown>;
}): Promise<T>;
export declare function captureHeaderUnderMaybeInstantSpan(spanName: string, data: Record<string, unknown>): AgentsSpanHeader;