/**
 * Converts a camelCase string to snake_case
 * @param str The camelCase string to convert
 * @returns The snake_case version of the string
 */
export declare function camelToSnakeCase(str: string): string;
/**
 * Converts an array of camelCase strings to snake_case
 * @param arr The array of camelCase strings to convert
 * @returns The array with all strings converted to snake_case
 */
export declare function camelToSnakeCaseArray(arr: string[]): string[];
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