import { ISandbox, SandboxContext, SandboxResult, SecurityViolation, ExecutionOptions, SanitizationRules, SandboxStats, ISecurityPolicy } from '../../domain/services/security/interfaces';
import { Result } from '../../shared/result';
import { ValidationError } from '../../domain/errors/ValidationError';
/**
 * Safe Sandbox Implementation
 * Provides security sandboxing for contract execution and validation
 * Uses static analysis and input sanitization for security
 */
export declare class SafeSandbox implements ISandbox {
    private stats;
    private policies;
    /**
     * Execute code safely in sandbox
     */
    execute<T = any>(code: string, context?: SandboxContext, options?: ExecutionOptions): Promise<Result<SandboxResult<T>, ValidationError>>;
    /**
     * Validate code for security issues without execution
     */
    validateCode(code: string, context?: SandboxContext): Promise<Result<SecurityViolation[], ValidationError>>;
    /**
     * Sanitize input data
     */
    sanitizeInput(input: any, rules?: SanitizationRules): Result<any, ValidationError>;
    /**
     * Check permissions for operation
     */
    checkPermissions(operation: string, context: SandboxContext): Result<boolean, ValidationError>;
    /**
     * Get sandbox statistics
     */
    getStats(): SandboxStats;
    /**
     * Reset sandbox state
     */
    reset(): Promise<void>;
    /**
     * Add a security policy
     */
    addPolicy(policy: ISecurityPolicy): void;
    /**
     * Remove a security policy
     */
    removePolicy(policyName: string): void;
    private getDefaultContext;
    private simulateExecution;
    private performCustomValidation;
    private getRequiredPermissions;
}
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