/** Senders that are not roles of the org and are never bound by the map. */
export declare const RUNTIME_SENDERS: readonly string[];
interface DefLike {
    sections?: unknown;
    roles: {
        id: string;
        type?: string;
        reports_to?: string | null;
    }[];
}
/** The section a role belongs to (as lead or member), or undefined. */
export declare function sectionOf(def: Pick<DefLike, 'sections'>, role: string): string | undefined;
/** The root role: the boss, else the role that reports to no one (the root is in no section and reads everything). */
export declare const rootRoleId: (def: Pick<DefLike, 'roles'>) => string | undefined;
/** The refusal text, as the org_send tool result. */
export declare function crossSectionRefusalText(from: string, fromSection: string, to: string, toSection: string): string;
/** Why a message must not go from `from` to `to`, or undefined when it may. */
export declare function crossSectionRefusal(def: DefLike, from: string, to: string): string | undefined;
export {};
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