export interface SchemaValueDescription {
    dataType: 'Real' | 'Boolean' | 'Integer' | 'String' | 'DateTime' | 'Enum' | 'Array' | 'Object' | 'Reference' | 'Blob';
    optional?: boolean;
    inherits?: string[];
    quantityKind?: string;
    enumRestrictions?: {
        options: string[];
    };
    arrayRestrictions?: {
        value: SchemaValueDescription;
        min?: number;
        max?: number;
    };
    objectRestrictions?: {
        values: Record<string, SchemaValueDescription>;
    };
}
export interface SchemaDefinition {
    value: SchemaValueDescription;
    uri?: string;
}
/** IFC core schemas from ifc@v5a.ifcx */
export declare const IFC_CORE_SCHEMAS: Record<string, SchemaDefinition>;
/** IFC property schemas from prop@v5a.ifcx */
export declare const IFC_PROP_SCHEMAS: Record<string, SchemaDefinition>;
/** USD schemas from usd@v1.ifcx */
export declare const USD_SCHEMAS: Record<string, SchemaDefinition>;
/** All official schemas combined */
export declare const ALL_OFFICIAL_SCHEMAS: Record<string, SchemaDefinition>;
export declare const STANDARD_IMPORT_URIS: {
    readonly IFC_CORE: "https://ifcx.dev/@standards.buildingsmart.org/ifc/core/ifc@v5a.ifcx";
    readonly IFC_PROP: "https://ifcx.dev/@standards.buildingsmart.org/ifc/core/prop@v5a.ifcx";
    readonly USD: "https://ifcx.dev/@openusd.org/usd@v1.ifcx";
};
/**
 * Validate a value against a schema value description.
 * Returns an array of error messages (empty = valid).
 */
export declare function validateValue(value: unknown, schema: SchemaValueDescription, path: string): string[];
/**
 * Validate an entire IFCX file against the official schemas.
 *
 * This mirrors the viewer's validation logic:
 * 1. Every attribute key must either be defined in an imported schema, defined
 *    in the file's local `schemas` section, or belong to an unrecognized namespace.
 * 2. If an attribute's namespace matches an imported schema file but the specific
 *    key is NOT defined in that schema file → "Missing schema" error (exactly
 *    what the BSI viewer reports).
 * 3. Values are type-checked against their schema definitions.
 */
export declare function validateIfcxFile(file: any): string[];
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