/**
 * Class Metadata Extraction — JSDoc tag parsing for photon source files.
 *
 * Extracts @icon, @internal, @version, @author, @label, @description,
 * @visibility, and @csp annotations from source code.
 */
import type { MethodInfo } from '../types.js';
/** Extract class-level metadata from JSDoc comments in photon source */
export declare function extractClassMetadataFromSource(content: string): {
    description?: string;
    icon?: string;
    internal?: boolean;
    version?: string;
    author?: string;
    label?: string;
};
/**
 * Apply @visibility annotations from method-level JSDoc to method objects.
 * @visibility model,app → ['model', 'app']
 */
export declare function applyMethodVisibility(source: string, methods: MethodInfo[]): void;
/**
 * Extract @csp annotations from class-level JSDoc.
 * @csp connect domain1,domain2
 * @csp resource cdn.example.com
 */
export declare function extractCspFromSource(source: string): Record<string, {
    connectDomains?: string[];
    resourceDomains?: string[];
    frameDomains?: string[];
    baseUriDomains?: string[];
}>;
/**
 * Convert a kebab-case name to a display label.
 * e.g. "filesystem" → "Filesystem", "git-box" → "Git Box"
 */
export declare function prettifyName(name: string): string;
/**
 * Convert a tool name to a display label.
 */
export declare function prettifyToolName(name: string): string;
/**
 * After loading a photon, backfill env vars for constructor params that used
 * their TypeScript defaults. Ensures the env var always reflects the effective
 * value so other consumers (e.g. /api/browse) can read it.
 */
export declare function backfillEnvDefaults(instance: any, params: Array<{
    name: string;
    envVar: string;
    hasDefault: boolean;
}>): void;
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