import { BaseCheck } from '../base_check.ts';
import type { HealthCheckResult } from '../types.ts';
/**
 * Checks the disk space and reports warning or error after a
 * certain threshold is exceeded
 *
 * @example
 * ```typescript
 * const diskCheck = new DiskSpaceCheck()
 *   .as('Root disk space check')
 *   .warnWhenExceeds(70)  // Warning at 70%
 *   .failWhenExceeds(85)  // Error at 85%
 *   .cacheFor('1 minute')
 *
 * const result = await diskCheck.run()
 * console.log(result.status) // 'ok' | 'warning' | 'error'
 * ```
 */
export declare class DiskSpaceCheck extends BaseCheck {
    #private;
    /**
     * The name of the disk space check
     */
    name: string;
    /**
     * The disk path to check for space usage
     */
    diskPath: string;
    /**
     * Defines the percentage threshold after which a
     * warning should be created
     *
     * @param valueInPercentage - The percentage threshold for warnings (0-100)
     *
     * @example
     * ```typescript
     * const diskCheck = new DiskSpaceCheck().warnWhenExceeds(70)
     * ```
     */
    warnWhenExceeds(valueInPercentage: number): this;
    /**
     * Defines the percentage threshold after which an
     * error should be created
     *
     * @param valueInPercentage - The percentage threshold for errors (0-100)
     *
     * @example
     * ```typescript
     * const diskCheck = new DiskSpaceCheck().failWhenExceeds(85)
     * ```
     */
    failWhenExceeds(valueInPercentage: number): this;
    /**
     * Defines a custom callback to compute the disk space. Defaults to
     * using the "check-disk-space" package
     *
     * @param callback - Function that returns disk space information
     *
     * @example
     * ```typescript
     * const diskCheck = new DiskSpaceCheck()
     *   .compute(async () => {
     *     // Custom disk space computation
     *     return { free: 1000000000, size: 5000000000 } // 1GB free, 5GB total
     *   })
     * ```
     */
    compute(callback: () => Promise<{
        free: number;
        size: number;
    }>): this;
    /**
     * Executes the disk space usage check
     */
    run(): Promise<HealthCheckResult>;
}