runtime/runtime.go
func (p RunScriptParams) WithExecutionContextID(executionContextID ExecutionContextID) *RunScriptParams {
	p.ExecutionContextID = executionContextID
	return &p
}
func (p RunScriptParams) WithExecutionContextID(executionContextID ExecutionContextID) *RunScriptParams {
	p.ExecutionContextID = executionContextID
	return &p
}
// WithExecutionContextID specifies in which execution context to perform
// script run. If the parameter is omitted the evaluation will be performed in
// the context of the inspected page.