import type { CompressionAlgorithm, CompressionCapabilities } from './types.js';
type CompressionMode = 'compress' | 'decompress';
type CompressionCapability = CompressionCapabilities['algorithms'][CompressionAlgorithm];
/** Inspect compression support in the current runtime. */
export declare function getCompressionCapabilities(): CompressionCapabilities;
/** @internal Return a capability or throw the public unsupported-algorithm error. */
export declare function requireCompressionCapability(algorithm: CompressionAlgorithm, mode: CompressionMode): CompressionCapability;
export {};
//# sourceMappingURL=capabilities.d.ts.map