/**
 * Normalize a seniority level input to match valid API values
 * Handles case-insensitivity, aliases, and fuzzy matching
 */
export declare function normalizeSeniorityLevel(input: string): string | null;
/**
 * Normalize a function category input to match valid API values
 * Handles case-insensitivity, aliases, and fuzzy matching
 */
export declare function normalizeFunctionCategory(input: string): string | null;
/**
 * Normalize an array of seniority levels, filtering out invalid values
 */
export declare function normalizeSeniorityLevels(inputs: string[]): string[];
/**
 * Normalize an array of function categories, filtering out invalid values
 */
export declare function normalizeFunctionCategories(inputs: string[]): string[];
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