/**
 * Get all attribute names for an IFC entity type in STEP positional order.
 * Walks the inheritance chain (root → leaf) via the generated schema registry.
 */
export declare function getAttributeNames(type: string): string[];
/**
 * Check if a type is known in the IFC schema.
 */
export declare function isKnownType(type: string): boolean;
/**
 * Get the full inheritance chain for an IFC entity type.
 * Returns PascalCase names, leaf → root order (e.g. `['IfcAirTerminal',
 * 'IfcFlowTerminal', ..., 'IfcRoot']`).
 *
 * Walks the union of every bundled IFC schema (2X3 + 4 + 4X3) so that
 * IFC4x3 infrastructure leaves (IfcReferent, IfcSignal, IfcAlignment,
 * IfcPavement, IfcCourse, IfcSign, …) resolve their chain correctly even
 * though the parser's own codegen pin (`./generated/schema-registry.ts`)
 * is still on IFC4_ADD2_TC1. Falls back to the IFC4 registry for vendor
 * extensions that the union map doesn't know.
 */
export declare function getInheritanceChain(type: string): string[];
/**
 * Get attribute name at a specific index for a type.
 */
export declare function getAttributeNameAt(type: string, index: number): string | null;
/**
 * Normalize an IFC entity type name to canonical EXPRESS PascalCase.
 *
 * - `'IFCWALL'` → `'IfcWall'`
 * - `'IfcWall'` → `'IfcWall'` (unchanged)
 * - `'IfcVendorExtensionFoo'` → `'IfcVendorExtensionFoo'` (unchanged — unknown to registry)
 *
 * Used at user-facing API boundaries to keep the public contract on
 * canonical PascalCase regardless of how the caller spells the type.
 */
export declare function normalizeIfcTypeName(type: string): string;
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