import type { HybridObject } from 'react-native-nitro-modules';
export interface NativeUtils extends HybridObject<{
    ios: 'c++';
    android: 'c++';
}> {
    multiply(a: number, b: number): number;
    toPublicKey(privateKey: string, isCompressed: boolean): ArrayBuffer;
    toPublicKeyFromBytes(privateKey: ArrayBuffer, isCompressed: boolean): ArrayBuffer;
    getPublicKeyEd25519(privateKey: string): ArrayBuffer;
    getPublicKeyEd25519FromBytes(privateKey: ArrayBuffer): ArrayBuffer;
    keccak256(data: string): ArrayBuffer;
    keccak256FromBytes(data: ArrayBuffer): ArrayBuffer;
    pubToAddress(pubKey: ArrayBuffer, sanitize: boolean): ArrayBuffer;
    hmacSha512(key: ArrayBuffer, data: ArrayBuffer): ArrayBuffer;
}
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