v1beta1

type Filter struct {
	// Name of the desired composed resource(s) this filter should match.
	//
	// Use regular expressions to match multiple resources. Expressions are
	// automatically prefixed with ^ and suffixed with $. For example 'buck.*'
	// becomes '^buck.*$'. See https://github.com/google/re2/wiki/Syntax.
	Name string `json:"name"`

	// Expression is a CEL expression. See https://github.com/google/cel-spec.
	// The following top-level variables are available to the expression:
	//
	// * observed
	// * desired
	// * context
	//
	// Example expressions:
	//
	// * observed.composite.resource.spec.widgets == 42
	// * observed.resources['composed'].connection_details['user'] == b'admin'
	// * desired.resources['composed'].resource.spec.widgets == 42
	//
	// See the RunFunctionRequest protobuf message for schema details.
	// https://buf.build/crossplane/crossplane/docs/main:apiextensions.fn.proto.v1beta1
	Expression string `json:"expression"`
}

type Filters struct {
	metav1.TypeMeta   `json:",inline"`
	metav1.ObjectMeta `json:"metadata,omitempty"`

	// Filters to apply to the desired composed resources produced by previous
	// functions in the pipeline. Each filter matches a desired composed
	// resource by name. If the expression evaluates to true, the composed
	// resource will be included. Desired composed resources that don't match
	// any filter are always included.
	Filters []Filter `json:"filters"`
}