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- import Histogram from "./Histogram";
- export interface Writable {
- (c: string): void;
- }
- declare class HistogramLogWriter {
- private log;
- /**
- * Base time to subtract from supplied histogram start/end timestamps when
- * logging based on histogram timestamps.
- * Base time is expected to be in msec since the epoch, as histogram start/end times
- * are typically stamped with absolute times in msec since the epoch.
- */
- baseTime: number;
- constructor(log: Writable);
- /**
- * Output an interval histogram, with the given timestamp information and the [optional] tag
- * associated with the histogram, using a configurable maxValueUnitRatio. (note that the
- * specified timestamp information will be used, and the timestamp information in the actual
- * histogram will be ignored).
- * The max value reported with the interval line will be scaled by the given maxValueUnitRatio.
- * @param startTimeStampSec The start timestamp to log with the interval histogram, in seconds.
- * @param endTimeStampSec The end timestamp to log with the interval histogram, in seconds.
- * @param histogram The interval histogram to log.
- * @param maxValueUnitRatio The ratio by which to divide the histogram's max value when reporting on it.
- */
- outputIntervalHistogram(histogram: Histogram, startTimeStampSec?: number, endTimeStampSec?: number, maxValueUnitRatio?: number): void;
- /**
- * Log a comment to the log.
- * Comments will be preceded with with the '#' character.
- * @param comment the comment string.
- */
- outputComment(comment: string): void;
- /**
- * Log a start time in the log.
- * @param startTimeMsec time (in milliseconds) since the absolute start time (the epoch)
- */
- outputStartTime(startTimeMsec: number): void;
- /**
- * Output a legend line to the log.
- */
- outputLegend(): void;
- /**
- * Output a log format version to the log.
- */
- outputLogFormatVersion(): void;
- }
- export default HistogramLogWriter;
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