parse

fun parse(filename: String, stepName: QName?): DeclareStepInstruction(source)
fun parse(uri: URI, stepName: QName?): DeclareStepInstruction(source)
fun parse(source: Source, stepName: QName?): DeclareStepInstruction(source)
fun parse(xml: XdmNode): DeclareStepInstruction(source)
fun parse(xml: XdmNode, stepName: QName?): DeclareStepInstruction(source)