/**
 * Sage → ATR Converter (reverse direction)
 *
 * Converts a Sage threat rule (from gendigitalinc/sage `threats/*.yaml`) into
 * an ATR YAML rule suitable for contribution back to the ATR corpus.
 *
 * This is the smaller half of the bidirectional bridge. The forward
 * direction (atrToSage) sees the heavy traffic; this reverse direction
 * exists so that Sage maintainers who write rules in Sage's format can
 * contribute them upstream to ATR without manual schema rewriting.
 *
 * Lossy spots:
 * - Sage has no description field; we emit a placeholder description that
 *   humans must fill in before merging into ATR.
 * - Sage has no test_cases; we emit a TODO block instructing humans to add
 *   true_positives + true_negatives (required for ATR PR acceptance).
 * - Sage has no compliance metadata (eu_ai_act, nist_ai_rmf, etc.); humans
 *   must add these if the rule maps to a regulatory framework.
 * - Sage has no references (mitre_atlas, owasp_llm, etc.); humans must add.
 * - Sage `match_on: command|url|file_path|content|domain` → ATR field name.
 *   The translation is heuristic since Sage's "command" channel doesn't have
 *   a perfect ATR equivalent (closest is tool_args at invocation time).
 *
 * @module agent-threat-rules/converters/sage-reverse
 */
import type { ATRRule } from '../types.js';
import type { SageRule } from './sage.js';
export interface ReverseConvertResult {
    readonly rule: ATRRule;
    readonly warnings: readonly ReverseWarning[];
}
export interface ReverseWarning {
    readonly sageId: string;
    readonly kind: 'missing_description' | 'missing_test_cases' | 'missing_compliance' | 'missing_references' | 'category_unknown' | 'match_on_ambiguous';
    readonly detail: string;
}
/**
 * Convert a single Sage rule to an ATR rule.
 *
 * The output rule has TODO markers in description and test_cases fields
 * that humans must fill in before merging. See module docstring for lossy
 * spots that require human enrichment.
 */
export declare function sageToAtr(sage: SageRule): ReverseConvertResult;
/**
 * Reverse-convert many Sage rules.
 */
export declare function sageToAtrBatch(sageRules: readonly SageRule[]): {
    readonly rules: readonly ATRRule[];
    readonly warnings: readonly ReverseWarning[];
};
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