In the constructor, they are assigned a value, through the use of the new operator, it's not a declaration.

在构造函数中，他们被分配一个值，通过新的运营商使用，它不是一个宣言。

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Gordon Brown, operations manager of California Independent System Operator, the state agency that oversees the power grid, told CNN Thursday night that the declaration triggered contingency plans to stop pumping water for two hours, during the state's critical power usage hour between 5:30 p.m. and 6:30 p.m.

CNN: California briefly declares Stage Three power emergency