/**
 * Sum the cpu time of children this process has already reaped, in seconds.
 *
 * Returns null when the line cannot be read as procfs output, so a platform
 * without procfs omits the measurement rather than reporting zero cpu.
 */
export declare function parseReapedChildCpuSeconds(stat: string): number | null;
/**
 * Read the reaped-child cpu total for this process.
 *
 * Never throws: this brackets a real install, and no telemetry read may turn a
 * completed install into a failure.
 */
export declare function readReapedChildCpuSeconds(statPath?: string): Promise<number | null>;
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