import type { DtypeId, DtypeSpec } from './types';
export declare function registerDtype(spec: DtypeSpec): void;
export declare function getDtype(id: DtypeId): DtypeSpec | undefined;
export declare function listDtypes(): readonly DtypeSpec[];
export declare function hasDtype(id: DtypeId): boolean;
/**
 * Test-only: wipe the registry. Not exported from the public package
 * entry. Used in `tests/dtypes-registry.test.ts`.
 *
 * @internal
 */
export declare function __resetDtypeRegistry(): void;
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