import { EFlag } from '../../types/api/enums';
import type { DisplaySeverity, PreparedVDisk } from './types';
export type SeverityCalculator = (vDisk: PreparedVDisk) => DisplaySeverity;
/**
 * Calculate severity based only on VDiskState
 * Used in State grouping mode
 * Uses special mapping where Initial=Yellow and Error=SolidRed
 * Replicating disks (Replicated=false) remain Blue regardless of state
 */
export declare function calculateStateSeverity(vDisk: PreparedVDisk): DisplaySeverity;
/**
 * Calculate severity based only on disk space usage
 * Used in Space grouping mode
 * Maps capacityAlert to detailed severity levels for visual differentiation
 */
export declare function calculateSpaceSeverity(vDisk: PreparedVDisk): DisplaySeverity;
/**
 * Calculate severity based only on front queues
 * Used in FrontQueues grouping mode
 * Maps FrontQueues flag to detailed severity levels:
 * - Grey -> N/D (NOT_AVAILABLE_SEVERITY)
 * - Green -> OK (FRONT_QUEUES_SEVERITY.OK)
 * - Blue -> ??? (treated as Green/OK)
 * - Yellow -> Notice (FRONT_QUEUES_SEVERITY.NOTICE)
 * - Orange -> Warning (FRONT_QUEUES_SEVERITY.WARNING)
 * - Red -> Impaired (FRONT_QUEUES_SEVERITY.IMPAIRED)
 *
 * Note: Unlike Space mode, replicating disks (Replicated=false) do NOT get Blue color.
 * Instead, they show striped pattern with their actual severity color (handled in CSS).
 */
export declare function calculateFrontQueuesSeverity(vDisk: PreparedVDisk): DisplaySeverity;
/**
 * Calculate severity based on two related status flags.
 * Border color is determined by the worst flag:
 * - Both Green or Blue -> Green border (OK)
 * - Missing or Grey outranks Green -> no-data styling
 * - At least one Yellow -> Yellow border (NOTICE)
 * - At least one Orange or Red -> Red border (WARNING)
 */
export declare function calculateFlagPairSeverity(firstFlag: EFlag | undefined, secondFlag: EFlag | undefined): DisplaySeverity;
export declare function calculateCompactionSeverity(vDisk: PreparedVDisk): DisplaySeverity;
/**
 * Calculate severity for "All" grouping mode using VDiskState semantics.
 */
export declare function calculateAllSeverity(vDisk: PreparedVDisk): DisplaySeverity;