/**
 * COR020: Circular Resource Dependencies
 *
 * Builds a directed dependency graph from Ref, Fn::GetAtt, and DependsOn
 * entries in the synthesized CloudFormation template. Detects cycles using
 * DFS with three-color marking (white/gray/black).
 */
import type { PostSynthCheck } from "@intentius/chant/lint/post-synth";
export declare const cor020: PostSynthCheck;
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