/**
 * Pre-built guard for minimum connection quality
 */
import { ExecutionContext } from '@nestjs/common';
import { NetworkGuard } from './networkGuard';
/**
 * Pre-built guard for minimum connection quality
 *
 * @example
 * ```typescript
 * @Controller('api')
 * export class StreamingController {
 *   @Get('video-stream')
 *   @UseGuards(new MinimumConnectionGuard('3g'))
 *   streamVideo() {
 *     // This route requires at least 3G connection
 *     return this.videoStreamService.stream();
 *   }
 * }
 * ```
 */
export declare class MinimumConnectionGuard extends NetworkGuard {
    private readonly minimumType;
    constructor(minimumType?: '4g' | '3g' | '2g');
    canActivate(context: ExecutionContext): boolean;
}
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