func ParseYaml(src *model.Source) (*model.ParsedValue, *cel.Issues) {
	return yml.Parse(src)
}
ParseYaml decodes a YAML source to a model.ParsedValue.

If errors are encountered during decode, they are returned via the Errors object.
package parser
import (
	"github.com/google/cel-go/cel"
	"github.com/google/cel-policy-templates-go/policy/model"
	"github.com/google/cel-policy-templates-go/policy/parser/yml"
)