import type { PrivateKey } from './types.ts';
export declare const isSignatureNormalized: (sig: Uint8Array<ArrayBufferLike>, curveOrder: bigint) => boolean;
export declare const normalizeSignature: (sig: Uint8Array<ArrayBuffer>, curveOrder: bigint) => Uint8Array<ArrayBuffer>;
export declare const isCompressedPoint: (coords: Uint8Array<ArrayBufferLike>) => boolean;
export declare const isUncompressedPoint: (coords: Uint8Array<ArrayBufferLike>) => boolean;
export declare const compressPoint: (coords: Uint8Array<ArrayBufferLike>) => Uint8Array<ArrayBuffer>;
export declare const deriveEcPublicKeyFromPrivateKey: (privateKey: CryptoKey, usages: KeyUsage[]) => Promise<CryptoKey>;
export declare const checkKeypairRelationship: (keypair: PrivateKey) => Promise<void>;
export declare const toMultikey: (prefix: Uint8Array<ArrayBufferLike>, keyBytes: Uint8Array<ArrayBufferLike>) => string;
type CheckFn = (condition: boolean, message: string) => asserts condition;
export declare const assertType: CheckFn;
export declare const assertSyntax: CheckFn;
export declare const assertUnreachable: (_: never, message: string) => never;
export {};
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