import type { ActionRunContext } from "../action.js";
export interface McpCallAttributionInput {
    /** The `tools/call` request as the handler received it. */
    request: unknown;
    /** `ctx.mcpReq.envelope`: the reserved `_meta` keys the SDK lifted out. */
    envelope: unknown;
    oauthClientId: string | undefined;
}
/**
 * The client facts the audit trail records for one MCP `tools/call`. Only
 * `oauthClientId` comes from a credential this server issued. The name and
 * version are whatever the client sent as `clientInfo`.
 */
export declare function mcpCallAttribution(input: McpCallAttributionInput): Pick<ActionRunContext, "mcpClient">;