import { Keypath } from '@ngraveio/ur-blockchain-commons';
import { UUID } from '@ngraveio/ur-uuid';
import { CoinIdentity } from '@ngraveio/ur-coin-identity';
type NodeBuffer = typeof globalThis extends {
    Buffer: infer T;
} ? T : never;
type CompatibleBuffer = Buffer | InstanceType<NodeBuffer>;
interface ISignRequestInput {
    /** Identifier of the signing request */
    requestId?: UUID | string | Uint8Array;
    /** Provides information on the elliptic curve and the blockchain/coin */
    coinId: CoinIdentity;
    /** Key path for signing this request */
    derivationPath?: Keypath | string;
    /** Transaction to be decoded by the offline signer */
    signData: CompatibleBuffer | Uint8Array;
    /** Origin of this sign request, e.g. wallet name */
    origin?: string;
    /** Specify type of transaction required for some blockchains */
    txType?: number;
    /** Specify sender address if not already specified in the sign-data and derivation-path */
    address?: string | Uint8Array;
}
interface ISignRequestData {
    /** Identifier of the signing request */
    requestId: UUID;
    /** Provides information on the elliptic curve and the blockchain/coin */
    coinId: CoinIdentity;
    /** Key path for signing this request */
    derivationPath?: Keypath;
    /** Transaction to be decoded by the offline signer */
    signData: Buffer;
    /** Origin of this sign request, e.g. wallet name */
    origin?: string;
    /** Specify type of transaction required for some blockchains */
    txType?: number;
    /** Specify sender address if not already specified in the sign-data and derivation-path */
    address?: string | Uint8Array;
}
declare const SignRequest_base: import("@ngraveio/bc-ur").RegistryItemClass<import("@ngraveio/bc-ur").RegistryItemBase>;
export declare class SignRequest extends SignRequest_base {
    data: ISignRequestData;
    constructor(data: ISignRequestInput);
    verifyInput: (input: ISignRequestInput) => {
        valid: boolean;
        reasons?: Error[];
    };
    getRequestId: () => UUID;
    getCoinId: () => CoinIdentity;
    getDerivationPath: () => Keypath | undefined;
    getSignData: () => Buffer<ArrayBufferLike>;
    getOrigin: () => string | undefined;
    getTxType: () => number | undefined;
    getAddress: () => string | undefined;
}
export {};