import { REQUIRED_METADATA_CONFIGURATION_KEY, type RequiredMetadataPolicyField } from "./metadata-definitions.js";
import type { MetadataConfig } from "./types/configuration.js";
export declare const METADATA_POLICY_DIFF_SCHEMA_VERSION: "renma.metadata-policy-diff.v1";
export type MetadataPolicyChangeDirection = "weakening" | "tightening";
export type MetadataPolicyProvenance = {
    source: "renma_default";
} | {
    source: "repository_configuration";
    configKey: typeof REQUIRED_METADATA_CONFIGURATION_KEY;
    configPath: string | null;
};
export interface MetadataPolicyRequirementEndpoint {
    required: boolean;
    provenance: MetadataPolicyProvenance;
}
export interface MetadataPolicyRequiredFieldChange {
    field: RequiredMetadataPolicyField;
    configKey: typeof REQUIRED_METADATA_CONFIGURATION_KEY;
    direction: MetadataPolicyChangeDirection;
    from: MetadataPolicyRequirementEndpoint;
    to: MetadataPolicyRequirementEndpoint;
}
export interface MetadataPolicyDiff {
    schemaVersion: typeof METADATA_POLICY_DIFF_SCHEMA_VERSION;
    changes: MetadataPolicyRequiredFieldChange[];
    addedRequiredFields: RequiredMetadataPolicyField[];
    removedRequiredFields: RequiredMetadataPolicyField[];
}
/** Compare required declarations in stable registry order. */
export declare function buildMetadataPolicyDiff(from: MetadataConfig, to: MetadataConfig, fromConfigPath?: string, toConfigPath?: string): MetadataPolicyDiff;