/**
 * Page Health Diagnostics
 *
 * Analyzes discovered elements to produce a health report identifying
 * spatial coverage gaps, layout issues, loading/error signals, and more.
 */
import type { DiscoveredElement } from '@qontinui/ui-bridge/control';
export type PageHealthSeverity = 'critical' | 'warning' | 'info';
export interface PageHealthFinding {
    /** Short machine-readable key */
    key: string;
    /** Severity level */
    severity: PageHealthSeverity;
    /** Human-readable description */
    message: string;
    /** Optional supporting data */
    details?: Record<string, unknown>;
}
export interface PageHealthReport {
    /** Overall health score: 'healthy' | 'degraded' | 'unhealthy' */
    status: 'healthy' | 'degraded' | 'unhealthy';
    /** Individual findings */
    findings: PageHealthFinding[];
    /** Spatial coverage heatmap (20x20 grid, '#' = filled, '.' = empty) */
    heatmap: string[];
    /** Summary statistics */
    stats: {
        totalElements: number;
        visibleElements: number;
        coveragePercent: number;
        interactiveCount: number;
        disabledCount: number;
        contentElements: number;
        regionCounts: {
            sidebar: number;
            header: number;
            content: number;
        };
    };
    /** Timestamp */
    timestamp: number;
}
/**
 * Diagnose page health from discovered elements.
 */
export declare function diagnosePageHealth(elements: DiscoveredElement[]): PageHealthReport;
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