import type { CharterDelta, GoalGraph } from "audit-tools/shared";
/**
 * Blast radius of a goal node = the size of its transitive PARENT closure — every
 * goal it (transitively) serves. A fix at this node ripples up to all of them, so
 * the count is how far up the DAG the ripple reaches. A leaf-most node serving no
 * parent has blast radius 0; the telos (served by everything, serving nothing) has
 * blast radius 0 too — the ripple is measured UPWARD, toward parents.
 *
 * Cycle-safe (a malformed graph never loops): visited-set guarded. A node absent
 * from the graph has blast radius 0 (nothing to ripple to).
 */
export declare function goalBlastRadius(graph: GoalGraph, nodeId: string): number;
/**
 * Resolve the blast radius for a delta whose subsystem maps to a goal node. When a
 * delta's node is not present in the goal graph (the host supplied no DAG, or the
 * subsystem was never linked to a goal), fall back to the delta KIND's intrinsic
 * blast tier. This keeps ranking meaningful even before a goal graph exists (the
 * common conversation-first default), and lets a real graph refine it when
 * present.
 */
export declare function deltaBlastRadius(graph: GoalGraph, goalNodeId: string | undefined, deltaKind: CharterDelta["kind"]): number;
//# sourceMappingURL=blastRadius.d.ts.map