specifiers

type Builder interface {
	Create() Builder
	WithIdentifier(identifier Identifier) Builder
	WithIdentifiers(identifiers []Identifier) Builder
	Now() (Specifier, error)
}

type Comparer interface {
	Hash() hash.Hash
	First() Identifier
	Second() Identifier
	IsAnd() bool
}

type ComparerBuilder interface {
	Create() ComparerBuilder
	WithFirst(first Identifier) ComparerBuilder
	WithSecond(second Identifier) ComparerBuilder
	IsAnd() ComparerBuilder
	Now() (Comparer, error)
}

type Element interface {
	Hash() hash.Hash
	IsHashPtr() bool
	HashPtr() *hash.Hash
	IsID() bool
	ID() *uuid.UUID
}

type ElementBuilder interface {
	Create() ElementBuilder
	WithHash(hash hash.Hash) ElementBuilder
	WithID(id *uuid.UUID) ElementBuilder
	Now() (Element, error)
}

type Identifier interface {
	Hash() hash.Hash
	IsElement() bool
	Element() Element
	IsComparer() bool
	Comparer() Comparer
}

type IdentifierBuilder interface {
	Create() IdentifierBuilder
	WithElement(element Element) IdentifierBuilder
	WithComparer(comparer Comparer) IdentifierBuilder
	Now() (Identifier, error)
}

type Identifiers interface {
	Hash() hash.Hash
	All() []Identifier
}

type IdentifiersBuilder interface {
	Create() IdentifiersBuilder
	WithIdentifiers(identifiers []Identifier) IdentifiersBuilder
	Now() (Identifiers, error)
}

type Specifier interface {
	Hash() hash.Hash
	IsIdentifier() bool
	Identifier() Identifier
	IsIdentifiers() bool
	Identifiers() Identifiers
}