import { BelticError } from './base.js';
import type { AgentCredential, DeveloperCredential } from '../types/generated/index.js';
import type { SignatureErrorCode } from './codes.js';
/**
 * Step in the signature verification process where the error occurred.
 */
export type SignatureErrorStep = 'PARSE' | 'KEY_RESOLUTION' | 'SIGNATURE' | 'CLAIMS' | 'SCHEMA' | 'REPLAY';
/**
 * Error thrown when signature verification fails.
 */
export declare class SignatureError extends BelticError {
    /** The verification step where the error occurred */
    readonly step: SignatureErrorStep;
    /** Formal error code (SIG-001 through SIG-016) */
    readonly errorCode?: SignatureErrorCode | string;
    constructor(message: string, step: SignatureErrorStep, details?: Record<string, unknown>, errorCode?: SignatureErrorCode | string);
}
/**
 * Step in the trust chain verification process where the error occurred.
 */
export type TrustChainErrorStep = 'AGENT_VERIFY' | 'DEVELOPER_FETCH' | 'DEVELOPER_VERIFY' | 'STATUS_CHECK' | 'POLICY';
/**
 * Error thrown when trust chain verification fails.
 */
export declare class TrustChainError extends BelticError {
    /** The verification step where the error occurred */
    readonly step: TrustChainErrorStep;
    /** Agent credential (if successfully verified) */
    readonly agentCredential?: AgentCredential;
    /** Developer credential (if successfully verified) */
    readonly developerCredential?: DeveloperCredential;
    constructor(message: string, step: TrustChainErrorStep, options?: {
        agentCredential?: AgentCredential;
        developerCredential?: DeveloperCredential;
        details?: Record<string, unknown>;
    });
}
/**
 * Error thrown when policy enforcement fails.
 */
export declare class PolicyViolationError extends BelticError {
    /** List of policy violations */
    readonly violations: PolicyViolation[];
    constructor(violations: PolicyViolation[]);
}
/**
 * Details about a policy violation.
 */
export interface PolicyViolation {
    /** Type of policy that was violated */
    type: 'KYB_TIER' | 'SAFETY_SCORE' | 'VERIFICATION_LEVEL' | 'DATA_CATEGORY' | 'OTHER';
    /** Field that caused the violation */
    field?: string;
    /** Expected value or threshold */
    expected: string | number;
    /** Actual value found */
    actual: string | number | undefined;
    /** Human-readable message */
    message: string;
}
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