declare namespace org {
    namespace spongepowered {
        namespace api {
            namespace extra {
                namespace fluid {
                    namespace data {
                        namespace manipulator {
                            namespace mutable {
                                // @ts-ignore
                                interface FluidItemData extends org.spongepowered.api.data.manipulator.DataManipulator {
                                    /**
                                     * Gets the {@link FluidStackSnapshot} from the owner as a value.
                                     */
                                    // @ts-ignore
                                     fluid(): org.spongepowered.api.data.value.mutable.Value;
                                }
                            }
                        }
                    }
                }
            }
        }
    }
}
