import { MerklePath } from '@bsv/sdk';
import { BlockHeader, GetMerklePathResult } from '../sdk/WalletServices.interfaces';
import { Chain } from '../sdk/types';
export interface ValidatedMerklePathResult {
    merklePath: MerklePath;
    header: BlockHeader;
    root: string;
    index: number;
}
export interface MerkleRootValidator {
    isValidRootForHeight(root: string, height: number): Promise<boolean>;
}
export interface SnapshotMerklePathResult extends Omit<GetMerklePathResult, 'merklePath'> {
    merklePath?: MerklePath | MerklePath[];
}
export declare function normalizeTxid(value: unknown, name?: string): string;
/**
 * Snapshot the provider envelope before inspecting proof availability or
 * diagnostics. The optional legacy array mode is bounded for older custom
 * WalletServices implementations; ordinary providers return one path.
 */
export declare function snapshotMerklePathResult(value: unknown, allowLegacyArray?: boolean, providerName?: string): SnapshotMerklePathResult;
export declare function copyMerklePath(txid: string, value: unknown): {
    merklePath: MerklePath;
    root: string;
    index: number;
};
export declare function copyValidatedBlockHeader(value: unknown, requireProofOfWork?: boolean, requireHeaderFormat?: boolean, chain?: Chain): BlockHeader;
export declare function validateMerklePathResult(requestedTxid: unknown, result: GetMerklePathResult, requireProofOfWork?: boolean, requireHeaderFormat?: boolean, chain?: Chain): ValidatedMerklePathResult;
export declare function authenticateMerklePathResult(requestedTxid: unknown, result: GetMerklePathResult, validator: MerkleRootValidator, requireProofOfWork?: boolean, requireHeaderFormat?: boolean, chain?: Chain): Promise<ValidatedMerklePathResult>;
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