/**
 * For-Publication Severity Escalation (gap C-C4)
 *
 * FHIR's IG Publisher validates in a stricter "for-publication" mode: a
 * published Implementation Guide should not ship with outstanding warnings, and
 * best-practice hints should be surfaced rather than buried at info level.
 *
 * This is a monotonic severity-ESCALATION layer — the inverse of the strictness
 * downgrade. It runs LAST, after `applyStrictnessSeverity` + `applyAdvisorRules`,
 * so explicit user decisions (advisor suppressions/overrides) still win:
 * escalation only raises whatever survives, and never downgrades, so it composes
 * cleanly with the layers before it.
 *
 * Default policy (forPublication = true):
 *   - warning            → error    (a published IG must be warning-free)
 *   - best-practice info → warning  (surface hints without erroring on every info)
 *   - error / fatal / other info: unchanged
 */
import type { ValidationIssue } from '@records-fhir/validation-types';
/**
 * Read the opt-in `forPublication` flag off a settings object. Accepts any
 * shape carrying the flag (full `ValidationSettings` or a snapshot subset).
 */
export declare function isForPublication(settings: unknown): boolean;
/**
 * Escalate issue severities for publication. No-op unless `forPublication` is
 * true. Preserves the earliest-known `originalSeverity` and marks escalated
 * issues with `details.publicationEscalated` for downstream/UI attribution.
 */
export declare function applyPublicationEscalation(issues: ValidationIssue[], forPublication: boolean): ValidationIssue[];
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