import type names from 'possible-typed-array-names'; declare function typedArrayLength(value: typedArrayLength.TypedArray): number; declare function typedArrayLength(value: unknown): false; declare namespace typedArrayLength { type TypedArray = | Int8Array | Uint8Array | Uint8ClampedArray | Int16Array | Uint16Array | Int32Array | Uint32Array | Float32Array | Float64Array | BigInt64Array | BigUint64Array; type TypedArrayName = typeof names[number]; } export = typedArrayLength;