import { type LegacyPropertyKeyClassification } from './LegacyPropertyKeyClassification.ts';
/** Runtime-backed key for a legacy node property compatibility slot. */
export default class LegacyNodePropertyKey {
    private readonly value;
    constructor(value: string);
    /** Returns the stable legacy property key string. */
    toString(): string;
    /** Classifies this key for compatibility projection decisions. */
    classification(): LegacyPropertyKeyClassification;
    /** Returns true when this key belongs to legacy content compatibility. */
    isContentCompatibilityKey(): boolean;
    /** Compares node property keys by runtime value. */
    equals(other: LegacyNodePropertyKey | null | undefined): boolean;
}
