/**
 * A web-ifc tape value handle — `{ type: 1, value: 'str' }` for strings.
 * Consumers (e.g. `@bldrs-ai/ifclib`'s `deref`) switch on the tape type
 * code, so bare `{ value }` objects are not interchangeable with these.
 */
export interface NodeValueHandle {
    type: number;
    value: string | number;
}
export interface Node {
    expressID: number;
    type: string;
    children: Node[];
    Name?: NodeValueHandle;
    LongName?: NodeValueHandle;
    GlobalId?: NodeValueHandle;
}
/**
 * Spatial-structure property inclusion mode:
 * - `false`/`undefined` — bare nodes (expressID/type/children).
 * - `'names'` — bare nodes plus Name/LongName/GlobalId value handles,
 *   read without materialising each node's full attribute record.
 * - `true` — full flattened attribute record spread into each node
 *   (web-ifc parity behavior).
 */
export type IncludeProperties = boolean | 'names';
/**
 * Optional spatial-structure shaping, beyond web-ifc parity.
 */
export interface SpatialStructureOptions {
    /**
     * STEP (AP214/AP242) only: surface ephemeral solid-level nodes beneath
     * multibody products — pickable bodies that carry identity in the file but
     * no product semantics (`type: 'solid'`, `ephemeral: true`). Ignored by the
     * IFC surface. See `design/new/step-nonproduct-semantics.md`.
     */
    includeSolids?: boolean;
}
export interface PropertiesPassthrough {
    getIfcType(type: number): string | undefined;
    getItemProperties(id: number, recursive?: boolean): Promise<any>;
    getPropertySets(elementID: number, recursive?: boolean): Promise<any[]>;
    getTypeProperties(elementID: number, recursive?: boolean): Promise<any[]>;
    getMaterialsProperties(elementID: number, recursive?: boolean): Promise<any[]>;
    getSpatialStructure(includeProperties?: IncludeProperties, options?: SpatialStructureOptions): Promise<Node>;
    getAllItemsOfType(type: number, verbose: boolean): Promise<any[]>;
}
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