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This indicator is used to find support and resistance lines
The support and pressure of different time periods can be found in the same icon cycle, and two time periods are provided here
Parameter Description:
---------------------- Main ---------------------
Timeframe //Used to select the main time period (recommended as the default PERIOD_D1);
Retracement interval //This value is the root number of backtracking k-lines (recommended to be 20 by default);