import { ACLOperationsEnum, CRUDOperationsEnum } from "./constants";
export declare const operationCRUDToACL: (operation: CRUDOperationsEnum) => ACLOperationsEnum | undefined;
/**
 * Checks if a value is a string
 */
export declare const isString: (value: unknown) => value is string;
/**
 * Checks if a value is a non-empty string
 * @param value - The value to check
 * @returns True if the value is a non-empty string, false otherwise
 */
export declare const isStringContent: (value: unknown) => value is string;
/**
 * Checks if a value is a function
 */
export declare const isFunction: (value: unknown) => value is Function;
/**
 * Type guard to check if a value is an object.
 *
 * @param value - The value to check
 * @returns True if the value is an object, false otherwise
 */
export declare const isObject: (value: unknown) => value is Record<string, any>;
/**
 * Prepares and returns fields in a consistent format based on the input type and primary key.
 *
 * Accepts:
 * - `string[]` – returned as-is when non-empty
 * - `string` – wrapped in a single-element array
 * - indexed plain object (`{"0":"id","1":"status"}`) – converted to a sorted array (compatibility
 *   shim for query-string parsers such as `qs` that exceed `arrayLimit` and serialize arrays as
 *   objects with numeric string keys)
 * - anything else / empty – falls back to `[primaryKey]`
 */
export declare const prepareFields: <T>(fields: unknown, primaryKey: string) => T;
/**
 * Strips undefined values from an object, returning a new object with only defined values.
 *
 * @param obj - The object to strip undefined values from
 * @returns A new object with undefined values removed
 */
export declare const stripUndefinedValuesFromObject: <T extends Record<string, any>>(obj: T) => T;
/**
 * Formats a syntax error message for a specific line and column in a source string.
 *
 * @param source - The source string to search for the error
 * @param line - The line number where the error occurred (1-based)
 * @param column - The column number where the error occurred (1-based)
 * @param offset - The character offset where the error occurred (0-based)
 * @returns A formatted error message
 */
export declare const formatSyntaxError: (source: string, line: number, column: number, offset: number) => string;