/** A size value: `'10mb'` or a byte count. */
export type ByteSize = string | number;
/** A duration value: `'30s'` or a millisecond count. */
export type Duration = string | number;
/** `'10mb'` | `10485760` → byte count. */
export declare function parseBytes(v: ByteSize): number;
export declare function parseBytes(v: ByteSize | null | undefined): number | undefined;
/** `'30s'` | `30000` → millisecond count. */
export declare function parseDuration(v: Duration): number;
export declare function parseDuration(v: Duration | null | undefined): number | undefined;
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