import AP214StepModel from "./ap214_step_model.js";
/**
 * One extracted key/value property row for a part.
 */
export interface ExtractedProperty {
    /** Property key, e.g. `'Modeled By'`, `'volume measure'`. */
    name: string;
    /** Stringified value, e.g. `'Engineer'`, `'14644822.6361138'`. */
    value: string;
    /** Numeric value for measure properties (volume/area/…); `undefined` for text. */
    numericValue?: number;
    /**
     * Grouping label from the owning `property_definition.name` — e.g.
     * `'geometric validation property'` for NIST volume/area validation rows.
     * Empty for plain attribute properties.
     */
    group: string;
    /**
     * Express id of the source representation item (the
     * `descriptive_representation_item` / `measure_representation_item`). The
     * compat surface uses it as the property's own express id so the web-ifc
     * `IfcPropertySet.HasProperties` reference handles can be resolved back to
     * this row via `getItemProperties`. `undefined` if the item carried no id.
     */
    expressID?: number;
}
/** Properties grouped by the express id of the owning `product_definition`. */
export type ExtractedPropertyMap = Map<number, ExtractedProperty[]>;
/** Minimal shape of a representation item needed for property conversion. */
interface RepresentationItemLike {
    name: string;
    expressID?: number;
}
/**
 * Extracts STEP part properties from a populated {@link AP214StepModel}.
 *
 * Walks the property chain
 * `general_property` → (`general_property_association`) → `property_definition`
 * → `property_definition_representation` → `representation` →
 * `descriptive_representation_item` / `measure_representation_item` into
 * per-part key/value rows. Includes the NIST validation properties
 * (`geometric/attribute validation property`, e.g. volume via
 * `measure_representation_item`).
 *
 * Mirrors the IFC precedent (`src/ifc/ifc_property_extraction.ts`); feeds the
 * web-ifc compat surface `ap214_properties.ts` that Share consumes.
 */
export declare class AP214PropertyExtraction {
    private readonly model;
    private readonly generalPropertyNameByDef_;
    /**
     * @param model The populated AP214/AP242 step model to walk.
     */
    constructor(model: AP214StepModel);
    /**
     * Build the per-part property map.
     *
     * @return {ExtractedPropertyMap} Properties keyed by owning
     * `product_definition` express id. Properties whose owner is a feature
     * (`shape_aspect`, dimensions) rather than a part are skipped at this
     * (Simplified) tier — they belong to the Full PMI tier.
     */
    extractProperties(): ExtractedPropertyMap;
    /**
     * Index general-property names by the express id of the `property_definition`
     * they are associated with, so a property can carry the canonical
     * `general_property` label when one exists.
     */
    private indexGeneralPropertyNames;
    /**
     * Resolve the part owner and value rows for one
     * `property_definition_representation` and append them to the result map.
     *
     * @param pdr The property-definition representation to walk.
     * @param result The accumulating per-part property map.
     */
    private collectFromRepresentation;
    /**
     * Convert a representation item into a property row, or `undefined` for item
     * kinds that carry no key/value (e.g. a centroid `cartesian_point`).
     *
     * @param item The representation item to convert.
     * @param fallbackKey Key to use when the item itself is unnamed.
     * @param group Grouping label from the owning property definition.
     * @return {ExtractedProperty | undefined} The property row, or `undefined`.
     */
    static toProperty(item: RepresentationItemLike, fallbackKey: string, group: string): ExtractedProperty | undefined;
}
export {};
//# sourceMappingURL=ap214_property_extraction.d.ts.map