Creates step definitions in Cucumber for Java files.

Predefined variables take the following values:
${STEP_KEYWORD}		Annotation of the step definition. Usually, a keyword is used to invoke a step (Given, Then, And, and so on).
${STEP_REGEXP}		Regular expression generated to accept the step.
${METHOD_NAME}		Name of the generated method.
${PARAMETERS}		Parameters of the generated method.
${BODY}		Generated method body.