Declaring clone function stub
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<?php

function clone(object $object, array $withProperties = []): object {}
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array(
    0: Stmt_Function(
        attrGroups: array(
        )
        byRef: false
        name: Identifier(
            name: clone
        )
        params: array(
            0: Param(
                attrGroups: array(
                )
                flags: 0
                type: Identifier(
                    name: object
                )
                byRef: false
                variadic: false
                var: Expr_Variable(
                    name: object
                )
                default: null
                hooks: array(
                )
            )
            1: Param(
                attrGroups: array(
                )
                flags: 0
                type: Identifier(
                    name: array
                )
                byRef: false
                variadic: false
                var: Expr_Variable(
                    name: withProperties
                )
                default: Expr_Array(
                    items: array(
                    )
                )
                hooks: array(
                )
            )
        )
        returnType: Identifier(
            name: object
        )
        stmts: array(
        )
    )
)