/** One rejected field, and what to write instead. */
export interface SemanticFieldRejection {
    file: string;
    field: string;
    /** What now decides this, in SysML. */
    nativeReplacement: string;
    message: string;
}
/**
 * Check one directory for semantic configuration.
 *
 * Returns every rejection found rather than the first: a project mid-migration
 * usually has several, and fixing them one error at a time is a poor trade for
 * the user's afternoon.
 */
export declare function checkSemanticFields(dir: string): SemanticFieldRejection[];
/** Format rejections for a CLI or a startup diagnostic. */
export declare function formatRejections(rejections: readonly SemanticFieldRejection[]): string;
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