import type { AgentSessionTraceState, AgentTurnTraceState } from "#tracing/agent-trace-state.js";
type SpanAttributePrimitive = string | number | boolean;
type SpanAttributeValue = SpanAttributePrimitive | SpanAttributePrimitive[];
export declare function agentActivationAttributes(input: {
    readonly agentName?: string;
    readonly frameworkVersion: string;
    readonly session?: AgentSessionTraceState;
    readonly sessionId: string;
    readonly turnId: string;
    readonly turn: AgentTurnTraceState;
}): Record<string, string | number | boolean | undefined>;
export declare function agentPrincipalAttributes(turn: AgentTurnTraceState): Record<string, string>;
/** Flattens merged runtime context into AI SDK-compatible span attributes. */
export declare function runtimeContextAttributes(runtimeContext: Readonly<Record<string, unknown>> | undefined): Record<string, SpanAttributeValue>;
export {};