/**
 * Hex string type with 0x prefix
 */
export type Hex = `0x${string}`;
/**
 * Configuration for signer adapters
 * Used internally when SDK methods create signers
 */
export interface SignerConfig {
    /** x-api-key for authenticate middleware (optional when JWT provided) */
    apiKey?: string;
    /** Static JWT to send as Authorization: Bearer */
    jwt?: string;
    /** Lazy JWT provider */
    getJwt?: () => Promise<string | null | undefined> | string | null | undefined;
    /** Custom headers provider (e.g., Authorization) */
    getAuthHeaders?: () => Promise<Record<string, string>> | Record<string, string>;
    /** SDK-like object exposing getSession() that returns { authToken? } */
    sdk?: {
        getSession: () => {
            authToken?: string | null | undefined;
        } | null | undefined;
    };
    /** Base URL for the Emblem signer API */
    baseUrl?: string;
}
/**
 * Internal vault info used by signers
 */
export interface SignerVaultInfo {
    vaultId: string;
    tokenId?: string;
    address: string;
    evmAddress: Hex;
    created_by?: string;
}
/**
 * Extended vault info for Bitcoin signers
 */
export interface BitcoinSignerVaultInfo extends SignerVaultInfo {
    /** Bitcoin public key (compressed, hex) */
    btcPubkey: string;
    /** Derived Bitcoin addresses */
    btcAddresses?: {
        /** Legacy (1...) */
        p2pkh: string;
        /** Native SegWit (bc1q...) */
        p2wpkh: string;
        /** Taproot (bc1p...) */
        p2tr: string;
    };
}
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