import { ValidationRule, ValidationContext, ValidationSeverity } from '../interfaces';
/**
 * Rule that detects unreachable code
 *
 * Detects code that can never be executed:
 * - Statements after return/throw/break/continue
 */
export declare class UnreachableCodeRule implements ValidationRule {
    readonly name = "unreachable-code";
    readonly description = "Detects unreachable code that can never be executed";
    readonly defaultSeverity = ValidationSeverity.WARNING;
    readonly enabledByDefault = true;
    validate(context: ValidationContext): void;
    /**
     * Check if a statement always terminates control flow
     */
    private isTerminalStatement;
}