import { CantonWallet } from '../../utils/wallet';
export type CantonChainType = 'stellar' | 'solana';
export interface SigningWalletInfo {
    wallet: CantonWallet;
    chainType: CantonChainType;
}
export interface ResolveSigningWalletParams {
    primaryWallet: CantonWallet | null;
    stellarWallets: CantonWallet[];
    solanaWallets: CantonWallet[];
    cantonPublicKey?: string | null;
    defaultChainType: CantonChainType;
}
export declare const normalizeBase64Key: (value?: string | null) => string | null;
export declare const collectWalletsByChainType: (user: any, wallets: any[], targetChainType: CantonChainType) => CantonWallet[];
export declare const resolveSigningWalletFromCandidates: ({ primaryWallet, stellarWallets, solanaWallets, cantonPublicKey, defaultChainType, }: ResolveSigningWalletParams) => SigningWalletInfo;