/**
 * S-101 parser: converts ISO 8211 records into S-101 domain objects.
 *
 * S-101 uses the same ISO 8211 binary encoding as S-57 but with a
 * different record structure reflecting the S-100 data model:
 * - Feature records have feature type codes instead of OBJL
 * - Complex (nested) attributes in CATF fields
 * - Information records (IRID)
 * - Feature associations (FFAS) and information associations (FIAS)
 * - Extended spatial types (CompositeCurve, Surface)
 */
import type { S101Dataset } from './types.js';
/**
 * Parse an S-101 dataset from an ArrayBuffer.
 *
 * S-101 files use .000 extension (same as S-57). The parser auto-detects
 * S-101 format by examining the DSID product specification field.
 */
export declare function parseS101(buffer: ArrayBuffer): S101Dataset;
/**
 * Detect whether a buffer contains S-101 data (vs S-57).
 * Examines the DSID record for S-100 indicators.
 */
export declare function isS101(buffer: ArrayBuffer): boolean;
/** Compound key for spatial records: avoids RCID collisions between types. */
export declare function spatialKey(rcnm: number, rcid: number): number;
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