/**
 * NestJS Guard for Enriched Context Headers
 * Sets up enriched headers context before route handlers execute
 */
import { CanActivate, ExecutionContext } from '@nestjs/common';
import type { EnrichedHeadersGuardOptions } from '@plyaz/types/api';
/**
 * NestJS guard that collects enriched context headers
 * Sets up AsyncLocalStorage context for service functions
 *
 * @example
 * ```typescript
 * import { Controller, Get, UseGuards } from '@nestjs/common';
 * import { EnrichedHeadersGuard } from '@plyaz/api/network/frameworks/nestjs';
 * import { fetchUsers } from '@plyaz/api/services';
 *
 * @Controller('users')
 * @UseGuards(new EnrichedHeadersGuard({
 *   preset: 'standard',
 *   requiredCompliance: ['GDPR']
 * }))
 * export class UsersController {
 *   @Get()
 *   async getUsers() {
 *     // Service function automatically has enriched headers
 *     return await fetchUsers({ page: 1 });
 *   }
 * }
 * ```
 */
export declare class EnrichedHeadersGuard implements CanActivate {
    private readonly options;
    /**
     * Check if all required headers are present
     */
    private checkRequiredHeaders;
    /**
     * Check if required compliance is met
     */
    private checkRequiredCompliance;
    /**
     * Build enriched headers for request
     */
    private buildHeadersForRequest;
    /**
     * Perform validation checks on headers
     */
    private validateHeaders;
    /**
     * Handle successful header processing
     */
    private handleSuccess;
    /**
     * Handle error during header building
     */
    private handleBuildError;
    constructor(options?: EnrichedHeadersGuardOptions);
    canActivate(context: ExecutionContext): Promise<boolean>;
}
/**
 * Create enriched headers guard with specific options
 *
 * @param options - Guard configuration
 * @returns Configured guard instance
 *
 * @example
 * ```typescript
 * @UseGuards(createEnrichedHeadersGuard({
 *   preset: 'compliance-strict',
 *   requiredCompliance: ['GDPR'],
 *   debug: true
 * }))
 * export class EuComplianceController {
 *   // All methods require GDPR compliance
 * }
 * ```
 */
export declare function createEnrichedHeadersGuard(options?: EnrichedHeadersGuardOptions): EnrichedHeadersGuard;
export declare function RequireEnrichedHeaders(options?: EnrichedHeadersGuardOptions): (target: object, propertyKey?: string, descriptor?: PropertyDescriptor) => void;
//# sourceMappingURL=enrichedHeadersGuard.d.ts.map