import type { MetaData } from "@metaobjectsdev/metadata";
/** One requirement, projected for rendering. Ordered depth-first, declaration order. */
export interface RequirementRow {
    /** Dotted child-name path from the root — the same address every other node uses. */
    readonly path: string;
    /** 0 for a root-level requirement. Derived from `path`, so it cannot disagree with it. */
    readonly depth: number;
    /** "functional" | "architectural" — the check-polarity axis. */
    readonly subType: string;
    /** Undefined on an unlevelled architectural requirement (the flat policy form). */
    readonly level: number | undefined;
    readonly status: string | undefined;
    readonly disposition: string | undefined;
    readonly trackedBy: readonly string[];
    readonly statement: string | undefined;
    readonly counterexample: string | undefined;
    /** Chartered user-facing. `notes` has no counterpart here, by design. */
    readonly description: string | undefined;
    /** `@implementedBy` exactly as authored — provenance a reader can grep for. */
    readonly implementedBy: readonly string[];
    /** DISTINCT `type.subType` concerns among the targets that actually resolved. */
    readonly claimedConcerns: readonly string[];
}
/**
 * Project every `requirement.*` node — nested ones included — into render-ready rows.
 *
 * Returns `[]` for a model declaring no requirements, which is what lets the surface
 * emit NOTHING rather than an empty page, and is in turn what makes turning the surface
 * on by default a no-op for every project without a ledger.
 */
export declare function requirementRows(root: MetaData): RequirementRow[];
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