All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`addExtension(Collection<Extension<?>> extensions)`
`boolean`	`addExtension(Extension<?> extensions)`
`boolean`	`addExtension(Extensions extensions)`
`boolean`	`containsExtension(Enum identifier)`
`boolean`	`containsExtension(String identifier)`
`int`	`countExtensions(String identifier)`
`boolean`	`getBooleanExtension(Enum<?> identifier)`
`boolean`	`getBooleanExtension(Enum<?> identifier, boolean defaultValue)`
`boolean`	`getBooleanExtension(String identifier)`
`boolean`	`getBooleanExtension(String identifier, boolean defaultValue)`
`Optional<Extension<?>>`	`getExtension(Enum identifier)`
`Optional<Extension<?>>`	`getExtension(String identifier)`
`Set<Extension<?>>`	`getExtensions()`
`boolean`	`isEmpty()`
`Stream<Extension<?>>`	`stream()`
`String`	`toString()`

public boolean addExtension(Extensions extensions)

public boolean addExtension(Collection<Extension<?>> extensions)

public boolean addExtension(Extension<?> extensions)

public Set<Extension<?>> getExtensions()

public boolean containsExtension(Enum identifier)

public boolean containsExtension(String identifier)

public int countExtensions(String identifier)

public Optional<Extension<?>> getExtension(Enum identifier)

public Optional<Extension<?>> getExtension(String identifier)

public boolean getBooleanExtension(String identifier)

public boolean getBooleanExtension(Enum<?> identifier)

public boolean getBooleanExtension(Enum<?> identifier,
                                   boolean defaultValue)

public boolean getBooleanExtension(String identifier,
                                   boolean defaultValue)

Class Extensions