/**
 * Shared helpers for measuring policy sizes and resolving CloudFormation references.
 */
import type { CloudFormationResource } from '../../../types/analysis.types';
/**
 * Measure the byte size of a policy document when serialized to JSON.
 * CloudFormation serializes policies as JSON, so this matches the deployed size.
 */
export declare const measurePolicyBytes: (policyDocument: unknown) => number;
/**
 * Count the number of statements in a policy document.
 */
export declare const countPolicyStatements: (policyDocument: unknown) => number;
/**
 * Resolve a CloudFormation value to a logical resource ID.
 * Handles Ref, Fn::GetAtt, and literal strings.
 * Returns the logical resource ID or null if unresolvable.
 */
export declare const resolveCfnRef: (value: unknown, allResourceIds: Set<string>) => string | null;
/**
 * Recursively find all logical resource IDs referenced in a value.
 */
export declare const findAllReferencedResources: (value: unknown, allResourceIds: Set<string>) => string[];
/**
 * Get policy statements from a policy document as an array.
 */
export declare const getPolicyStatements: (policyDocument: unknown) => Array<Record<string, unknown>>;
/**
 * Calculate the percentage of a limit that's been used.
 */
export declare const percentOfLimit: (current: number, limit: number) => number;
/**
 * Format byte size as human-readable string.
 */
export declare const formatBytes: (bytes: number) => string;
/**
 * Collect all inline policies from an IAM Role resource.
 */
export declare const getInlinePolicies: (resource: CloudFormationResource) => Array<{
    name: string;
    document: unknown;
}>;