1 | /**
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2 | * Converts arbitrary values into double using extended conversion rules:
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3 | * - Strings are converted to double values
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4 | * - DateTime: total number of milliseconds since unix epoсh
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5 | * - Boolean: 1 for true and 0 for false
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6 | *
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7 | * ### Example ###
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8 | *
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9 | * let value1 = DoubleConverter.toNullableDouble("ABC"); // Result: null
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10 | * let value2 = DoubleConverter.toNullableDouble("123.456"); // Result: 123.456
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11 | * let value3 = DoubleConverter.toNullableDouble(true); // Result: 1
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12 | * let value4 = DoubleConverter.toNullableDouble(new Date()); // Result: current milliseconds
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13 | */
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14 | export declare class DoubleConverter {
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15 | /**
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16 | * Converts value into doubles or returns null when conversion is not possible.
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17 | *
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18 | * @param value the value to convert.
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19 | * @returns double value or null when conversion is not supported.
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20 | */
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21 | static toNullableDouble(value: any): number;
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22 | /**
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23 | * Converts value into doubles or returns 0 when conversion is not possible.
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24 | *
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25 | * @param value the value to convert.
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26 | * @returns double value or 0 when conversion is not supported.
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27 | *
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28 | * @see [[toDoubleWithDefault]]
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29 | */
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30 | static toDouble(value: any): number;
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31 | /**
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32 | * Converts value into integer or returns default value when conversion is not possible.
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33 | *
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34 | * @param value the value to convert.
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35 | * @param defaultValue the default value.
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36 | * @returns double value or default when conversion is not supported.
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37 | *
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38 | * @see [[toNullableDouble]]
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39 | */
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40 | static toDoubleWithDefault(value: any, defaultValue?: number): number;
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41 | }
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