import type { TSchema } from "@sinclair/typebox";
export interface SchemaAdvanceEligibilityV3 {
    eligible: boolean;
    strict: boolean;
    issues: string[];
}
/**
 * Mechanical half of ADR 0080's in-place advance gate. It proves that every
 * value accepted by the prior JSON Schema remains accepted by the next schema.
 * Semantic reinterpretations remain breaking even when this structural check
 * passes and require genesis review.
 */
export declare function validateAdditiveSchemaAdvanceV3(prior: TSchema, next: TSchema): SchemaAdvanceEligibilityV3;
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