import { ModelInfo } from "../core/progress_log.js";
import { StepHeader } from "../step/parsing/step_parser.js";
/**
 * Parse a FILE_HEADER header from a STEP file to extract relevant info.
 *
 * @param input - FILE_HEADER from step header
 * @return {string[]} array of fields in FILE_NAME
 */
export declare function parseFileHeader(input: string): string[];
/**
 * Extract the early model line's fields from a parsed STEP header — this is
 * everything we can know before the full file parse (issue #301 follow-up:
 * "output this as early as possible"). Values are unquoted for display.
 *
 * @param stepHeader The parsed STEP header.
 * @param byteLength The source buffer size in bytes.
 * @return {ModelInfo} The extracted info (fields undefined when absent).
 */
export declare function extractModelInfo(stepHeader: StepHeader, byteLength: number): ModelInfo;
//# sourceMappingURL=loading_utilities.d.ts.map