/**
 * Projects all item from a source `Iterable` without throwing, and returns the results
 * alongside the errors.
 * @param source The iterable to get items from
 * @param projection A function to transform each item in source
 * @returns A pair where the first item is an array of all the transformed results
 * and the second item is an array of errors occurred in the process
 */
export declare function safeMap<In, Out>(source: Iterable<In>, projection: (item: In, index: number) => Out): [results: Out[], errors: ProjectionError<In>[]];
/**
 * An error that was thrown while transforming an item from a source iterable
 */
export interface ProjectionError<T> {
    /**
   * The error that was thrown
   */
    error: unknown;
    /**
   * The index of the item that was transformed when the error was thrown
   */
    index: number;
    /**
   * The item that was transformed when the error was thrown
   */
    item: T;
}