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2 | import { CounterTiming } from './CounterTiming';
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3 | import { ICounters } from './ICounters';
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11 |
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12 | export declare class NullCounters implements ICounters {
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13 | |
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15 |
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16 | constructor();
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17 | /**
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18 | * Begins measurement of execution time interval.
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19 | * It returns [[CounterTiming]] object which has to be called at
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20 | * [[CounterTiming.endTiming]] to end the measurement and update the counter.
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21 | *
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22 | * @param name a counter name of Interval type.
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23 | * @returns a [[CounterTiming]] callback object to end timing.
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24 | */
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25 | beginTiming(name: string): CounterTiming;
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26 | /**
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27 | * Calculates min/average/max statistics based on the current and previous values.
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28 | *
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29 | * @param name a counter name of Statistics type
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30 | * @param value a value to update statistics
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31 | */
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32 | stats(name: string, value: number): void;
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33 | /**
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34 | * Records the last calculated measurement value.
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35 | *
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36 | * Usually this method is used by metrics calculated
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37 | * externally.
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38 | *
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39 | * @param name a counter name of Last type.
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40 | * @param value a last value to record.
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41 | */
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42 | last(name: string, value: number): void;
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43 | /**
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44 | * Records the current time as a timestamp.
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45 | *
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46 | * @param name a counter name of Timestamp type.
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47 | */
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48 | timestampNow(name: string): void;
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49 | /**
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50 | * Records the given timestamp.
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51 | *
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52 | * @param name a counter name of Timestamp type.
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53 | * @param value a timestamp to record.
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54 | */
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55 | timestamp(name: string, value: Date): void;
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56 | /**
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57 | * Increments counter by 1.
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58 | *
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59 | * @param name a counter name of Increment type.
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60 | */
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61 | incrementOne(name: string): void;
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62 | /**
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63 | * Increments counter by given value.
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64 | *
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65 | * @param name a counter name of Increment type.
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66 | * @param value a value to add to the counter.
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67 | */
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68 | increment(name: string, value: number): void;
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69 | }
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