/**
 * Response Schema Validation & Input Validation
 *
 * Lightweight runtime checks for agent responses and user inputs.
 * No external dependencies — uses simple type guards and regex.
 */
import type { Chain, DkgResponse, SignResponse, SignResultResponse, HealthResponse, StatusResponse, WalletsResponse } from '../core/types';
/**
 * Validate a DKG initiation response from an agent.
 * Ensures wallet_id, status, participants, and threshold are present and valid.
 */
export declare function validateDkgResponse(data: unknown, endpoint: string): DkgResponse;
/**
 * Validate a DKG completion event (from WebSocket).
 * Ensures wallet_id exists and public_key/address are valid.
 */
export declare function validateDkgCompletion(data: unknown, endpoint: string): {
    wallet_id: string;
    public_key: string;
    address?: string;
};
/**
 * Validate a sign request response from an agent.
 */
export declare function validateSignResponse(data: unknown, endpoint: string): SignResponse;
/**
 * Validate a sign result (polling) response.
 */
export declare function validateSignResultResponse(data: unknown, endpoint: string): SignResultResponse;
/**
 * Validate a health response.
 */
export declare function validateHealthResponse(data: unknown, endpoint: string): HealthResponse;
/**
 * Validate a status response.
 */
export declare function validateStatusResponse(data: unknown, endpoint: string): StatusResponse;
/**
 * Validate a wallets list response.
 */
export declare function validateWalletsResponse(data: unknown, endpoint: string): WalletsResponse;
/**
 * Validate a refresh/reshare acknowledgment response.
 * The agent should return an object with at least a status field.
 */
export declare function validateRefreshResponse(data: unknown, endpoint: string): {
    status: string;
    wallet_id?: string;
};
/**
 * Validate a wallet ID string.
 */
export declare function validateWalletId(walletId: unknown): string;
/**
 * Validate a chain name against the supported chains list.
 */
export declare function validateChain(chain: unknown): Chain;
/**
 * Validate an address format based on the target chain.
 */
export declare function validateAddress(address: unknown, chain: Chain): string;
/**
 * Validate a positive numeric amount (for transactions).
 */
export declare function validateAmount(amount: unknown, paramName?: string): number;
/**
 * Validate a string amount (wei, lamports, etc.) used in EVM transactions.
 * Must represent a valid positive integer or bigint.
 */
export declare function validateStringAmount(value: unknown, paramName?: string): string | bigint;
/**
 * Validate a hex-encoded message for signing.
 */
export declare function validateHexMessage(message: unknown, paramName?: string): string;
/**
 * Validate threshold parameters.
 */
export declare function validateThreshold(threshold: unknown): {
    t: number;
    n: number;
};
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