\NewConfigureOO{abstract-title}
\ConfigureOO{abstract-title}{\Hnewline
<style:style style:name="abstract-title"
style:family="paragraph"
style:parent-style-name="abstract"
style:next-style-name="abstract">\Hnewline
<style:paragraph-properties fo:margin-top="0.499cm"
fo:margin-bottom="0cm"
fo:font-weight="bold"
fo:text-align="center"
style:justify-single-word="false"/>\Hnewline
</style:style>\Hnewline
}
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