/**
 * Data sanitizer for removing sensitive information from log entries
 */
export declare class Sanitizer {
    private fieldsToSanitize;
    private useDefaultPatterns;
    constructor(sanitizeFields?: string[]);
    /**
     * Checks if provided fields include standard sensitive field names that warrant pattern matching
     */
    private hasCommonSensitiveFields;
    /**
     * Sanitizes data by replacing sensitive fields with [REDACTED]
     */
    sanitize(data: any): any;
    /**
     * Sanitizes object by checking field names
     */
    private sanitizeObject;
    /**
     * Checks if a field name indicates sensitive data
     */
    private isSensitiveField;
    /**
     * Sanitizes string values that might contain sensitive data
     */
    private sanitizeString;
    /**
     * Adds new fields to sanitize
     */
    addSanitizeFields(fields: string[]): void;
    /**
     * Removes fields from sanitization
     */
    removeSanitizeFields(fields: string[]): void;
    /**
     * Gets current sanitize fields
     */
    getSanitizeFields(): string[];
}
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