@ModuleOption(value = "the number of lines prior to the end of an existing file to tail; does not apply if 'nativeOptions' is provided", defaultValue = "0")
	public void setLines(int lines) {
		this.lines = lines;
	}
Describes options to the {@code tail} source module.

@author Eric Bottard
spring-xd-dirt/src/main/java/org/springframework/xd/dirt/modules/metadata/TailSourceOptionsMetadata.java