/**
 * Resource Content Analyzer Module
 *
 * Provides content analysis functions for detecting sensitive data patterns,
 * prompt injection, and MIME type validation in resource content.
 *
 * @module assessment/resources/contentAnalyzer
 * @since v1.44.0 (Issue #180 - ResourceAssessor Modularization)
 */
/**
 * Result of sensitive pattern detection
 */
export interface SensitivePatternResult {
    pattern: string;
    severity: "critical" | "high" | "medium";
    detected: boolean;
}
/**
 * Result of MIME type validation
 */
export interface MimeValidationResult {
    valid: boolean;
    expectedMimeType?: string;
    mismatch: boolean;
}
/**
 * Detect sensitive patterns with severity for enrichment (Issue #9)
 */
export declare function detectSensitivePatterns(content: string): SensitivePatternResult[];
/**
 * Check if content contains any sensitive data patterns
 */
export declare function containsSensitiveContent(content: string): boolean;
/**
 * Detect prompt injection patterns in resource content.
 * Returns array of matched pattern descriptions.
 */
export declare function detectPromptInjection(content: string): string[];
/**
 * Issue #127, Challenge #24: Validate MIME type matches actual content
 * Detects content-type confusion (CWE-436)
 */
export declare function validateMimeType(content: string | Uint8Array, declaredMimeType: string | undefined): MimeValidationResult;
/**
 * Issue #127: Format bytes as human-readable string
 */
export declare function formatBytes(bytes: number): string;
/**
 * Issue #127: Convert string to bytes for magic byte comparison
 */
export declare function stringToBytes(str: string): Uint8Array;
/**
 * Issue #127: Check if content starts with expected magic bytes
 */
export declare function startsWithBytes(content: Uint8Array, pattern: number[]): boolean;
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