export declare function primordialArrayAt<T>(values: readonly T[], index: number): T | undefined;
export declare function primordialArrayFilter<T>(values: readonly T[], predicate: (value: T, index: number, array: readonly T[]) => unknown): T[];
export declare function primordialArrayJoin(values: readonly unknown[], separator: string): string;
export declare function primordialArrayMap<T, U>(values: readonly T[], callback: (value: T, index: number, array: readonly T[]) => U): U[];
export declare function primordialArrayPop<T>(values: T[]): T | undefined;
export declare function primordialArrayPush<T>(values: T[], value: T): void;
export declare function primordialArraySort<T>(values: T[], compare: (left: T, right: T) => number): T[];
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