import { BudgetViolationRecord, DegradationState, BudgetThreshold } from '../performance-budgets';
/**
 * Budget status for a specific metric
 */
export interface BudgetStatus {
    readonly name: string;
    readonly status: 'ok' | 'warning' | 'critical' | 'unknown';
    readonly currentValue: number | null;
    readonly threshold: BudgetThreshold | undefined;
    readonly percentOfBudget: number;
    readonly formattedValue: string;
    readonly formattedThreshold: string;
}
/**
 * Hook options
 */
export interface UsePerformanceBudgetOptions {
    /** Specific budgets to monitor (default: all) */
    readonly budgets?: string[];
    /** Callback on violation */
    readonly onViolation?: (violation: BudgetViolationRecord) => void;
    /** Callback on degradation change */
    readonly onDegradationChange?: (state: DegradationState) => void;
    /** Enable debug logging */
    readonly debug?: boolean;
}
/**
 * Hook return value
 */
export interface UsePerformanceBudgetReturn {
    /** Check if a specific budget is within limits */
    readonly isWithinBudget: (budgetName: string) => boolean;
    /** Get status for a specific budget */
    readonly getBudgetStatus: (budgetName: string) => BudgetStatus | null;
    /** Get all monitored budget statuses */
    readonly budgetStatuses: BudgetStatus[];
    /** Current degradation state */
    readonly degradationState: DegradationState;
    /** Whether any budget is violated */
    readonly hasViolations: boolean;
    /** Recent violations */
    readonly recentViolations: BudgetViolationRecord[];
    /** Overall health score (0-100) */
    readonly healthScore: number;
    /** Check a custom budget value */
    readonly checkBudget: (name: string, value: number, threshold?: number) => boolean;
    /** Record a metric value */
    readonly recordMetric: (name: string, value: number) => void;
    /** Check if degradation strategy is active */
    readonly isStrategyActive: (strategy: string) => boolean;
    /** Force degradation deactivation */
    readonly deactivateDegradation: () => void;
}
/**
 * Hook for performance budget awareness
 */
export declare function usePerformanceBudget(options?: UsePerformanceBudgetOptions): UsePerformanceBudgetReturn;
/**
 * Hook to get a single budget status
 */
export declare function useBudgetStatus(budgetName: string): BudgetStatus | null;
/**
 * Hook to check if in degraded mode
 */
export declare function useDegradedMode(): {
    isDegraded: boolean;
    level: DegradationState['level'];
    strategies: string[];
};
/**
 * Hook to conditionally render based on budget
 */
export declare function useBudgetConditional<T>(budgetName: string, fullValue: T, reducedValue: T): T;