import { type Headers } from '@temporalio/common';
import type { SerializableModelActivityOptions } from './model-activity-options';
export declare const AGENTS_TRACE_HEADER_KEY = "__openai_span";
export interface AgentsSpanHeader {
    traceName: string;
    spanId: string | null;
    traceId: string | null;
    otelSpanId?: string;
}
export declare function injectAgentsTraceHeader(headers: Headers, info: AgentsSpanHeader): Headers;
export declare function extractAgentsTraceHeader(headers: Headers): AgentsSpanHeader | null;
export declare function injectAgentsTraceHeaderNexus(headers: Record<string, string>, info: AgentsSpanHeader): Record<string, string>;
export declare function extractAgentsTraceHeaderNexus(headers: Record<string, string>): AgentsSpanHeader | null;
export declare function currentAgentsSpanHeader(): AgentsSpanHeader;
export declare const AGENTS_CONFIG_HEADER_KEY = "__openai_agents_config";
export interface AgentsConfigHeader {
    addTemporalSpans?: boolean;
    useOtelInstrumentation?: boolean;
    modelParams?: SerializableModelActivityOptions;
}
export declare function injectAgentsConfigHeader(headers: Headers, config: AgentsConfigHeader): Headers;
export declare function extractAgentsConfigHeader(headers: Headers): AgentsConfigHeader | undefined;