export type PluralityMarker = 'double' | 'dashed';
export declare const PLURALITY_MARKER: Readonly<Record<'DOUBLE' | 'DASHED', PluralityMarker>>;
export declare const PLURALITY_MARKER_VALUES: ReadonlyArray<PluralityMarker>;
export declare function isValidPluralityMarker(value: unknown): value is PluralityMarker;
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