Something like the below snippet should work:
import
org.jenkinsci.plugins.pipeline.utility.steps.shaded.org.yaml.snakeyaml.Yaml
@NonCPS
def readYaml(data) {
return (new Yaml()).dump(data)
}
println readYaml([name: "foo", surname: "bar", age: 1])
writeYaml implementation uses that particular Class and method:
-
https://github.com/jenkinsci/pipeline-utility-steps-plugin/blob/59f3c669ca6125a10dd5e80907006b06903d7d04/src/main/java/org/jenkinsci/plugins/pipeline/utility/steps/conf/WriteYamlStep.java#L194
My 2 cents
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