Hopefully will be documentation of unclear methods available for Babel Types
is
isType
shallowEqual
appendToMemberExpression
prependToMemberExpression
ensureBlock
clone
cloneDeep
buildMatchMemberExpression
removeComments
inheritsComments
inheritTrailingComments
inheritLeadingComments
inheritInnerComments
inherits
STATEMENT_OR_BLOCK_KEYS
FLATTENABLE_KEYS
FOR_INIT_KEYS
COMMENT_KEYS
INHERIT_KEYS
BOOLEAN_NUMBER_BINARY_OPERATORS
EQUALITY_BINARY_OPERATORS
COMPARISON_BINARY_OPERATORS
BOOLEAN_BINARY_OPERATORS
NUMBER_BINARY_OPERATORS
BOOLEAN_UNARY_OPERATORS
NUMBER_UNARY_OPERATORS
STRING_UNARY_OPERATORS
VISITOR_KEYS
BUILDER_KEYS
ALIAS_KEYS
isArrayExpression
assertArrayExpression
isAssignmentExpression
assertAssignmentExpression
isBinaryExpression
assertBinaryExpression
isBlockStatement
assertBlockStatement
isBreakStatement
assertBreakStatement
isCallExpression
assertCallExpression
isCatchClause
assertCatchClause
isConditionalExpression
assertConditionalExpression
isContinueStatement
assertContinueStatement
isDebuggerStatement
assertDebuggerStatement
isDoWhileStatement
assertDoWhileStatement
isEmptyStatement
assertEmptyStatement
isExpressionStatement
assertExpressionStatement
isFile
assertFile
isForInStatement
assertForInStatement
isForStatement
assertForStatement
isFunctionDeclaration
assertFunctionDeclaration
isFunctionExpression
assertFunctionExpression
isIdentifier
assertIdentifier
isIfStatement
assertIfStatement
isLabeledStatement
assertLabeledStatement
isLiteral
assertLiteral
isLogicalExpression
assertLogicalExpression
isMemberExpression
assertMemberExpression
isNewExpression
assertNewExpression
isObjectExpression
assertObjectExpression
isProgram
assertProgram
isProperty
assertProperty
isRestElement
assertRestElement
isReturnStatement
assertReturnStatement
isSequenceExpression
assertSequenceExpression
isSwitchCase
assertSwitchCase
isSwitchStatement
assertSwitchStatement
isThisExpression
assertThisExpression
isThrowStatement
assertThrowStatement
isTryStatement
assertTryStatement
isUnaryExpression
assertUnaryExpression
isUpdateExpression
assertUpdateExpression
isVariableDeclaration
assertVariableDeclaration
isVariableDeclarator
assertVariableDeclarator
isWhileStatement
assertWhileStatement
isWithStatement
assertWithStatement
isAssignmentPattern
assertAssignmentPattern
isArrayPattern
assertArrayPattern
isArrowFunctionExpression
assertArrowFunctionExpression
isClassBody
assertClassBody
isClassDeclaration
assertClassDeclaration
isClassExpression
assertClassExpression
isExportAllDeclaration
assertExportAllDeclaration
isExportDefaultDeclaration
assertExportDefaultDeclaration
isExportNamedDeclaration
assertExportNamedDeclaration
isExportDefaultSpecifier
assertExportDefaultSpecifier
isExportNamespaceSpecifier
assertExportNamespaceSpecifier
isExportSpecifier
assertExportSpecifier
isForOfStatement
assertForOfStatement
isImportDeclaration
assertImportDeclaration
isImportDefaultSpecifier
assertImportDefaultSpecifier
isImportNamespaceSpecifier
assertImportNamespaceSpecifier
isImportSpecifier
assertImportSpecifier
isMetaProperty
assertMetaProperty
isMethodDefinition
assertMethodDefinition
isObjectPattern
assertObjectPattern
isSpreadElement
assertSpreadElement
isSuper
assertSuper
isTaggedTemplateExpression
assertTaggedTemplateExpression
isTemplateElement
assertTemplateElement
isTemplateLiteral
assertTemplateLiteral
isYieldExpression
assertYieldExpression
isAnyTypeAnnotation
assertAnyTypeAnnotation
isArrayTypeAnnotation
assertArrayTypeAnnotation
isBooleanTypeAnnotation
assertBooleanTypeAnnotation
isBooleanLiteralTypeAnnotation
assertBooleanLiteralTypeAnnotation
isClassImplements
assertClassImplements
isClassProperty
assertClassProperty
isDeclareClass
assertDeclareClass
isDeclareFunction
assertDeclareFunction
isDeclareModule
assertDeclareModule
isDeclareVariable
assertDeclareVariable
isFunctionTypeAnnotation
assertFunctionTypeAnnotation
isFunctionTypeParam
assertFunctionTypeParam
isGenericTypeAnnotation
assertGenericTypeAnnotation
isInterfaceExtends
assertInterfaceExtends
isInterfaceDeclaration
assertInterfaceDeclaration
isIntersectionTypeAnnotation
assertIntersectionTypeAnnotation
isMixedTypeAnnotation
assertMixedTypeAnnotation
isNullableTypeAnnotation
assertNullableTypeAnnotation
isNumberLiteralTypeAnnotation
assertNumberLiteralTypeAnnotation
isNumberTypeAnnotation
assertNumberTypeAnnotation
isStringLiteralTypeAnnotation
assertStringLiteralTypeAnnotation
isStringTypeAnnotation
assertStringTypeAnnotation
isTupleTypeAnnotation
assertTupleTypeAnnotation
isTypeofTypeAnnotation
assertTypeofTypeAnnotation
isTypeAlias
assertTypeAlias
isTypeAnnotation
assertTypeAnnotation
isTypeCastExpression
assertTypeCastExpression
isTypeParameterDeclaration
assertTypeParameterDeclaration
isTypeParameterInstantiation
assertTypeParameterInstantiation
isObjectTypeAnnotation
assertObjectTypeAnnotation
isObjectTypeCallProperty
assertObjectTypeCallProperty
isObjectTypeIndexer
assertObjectTypeIndexer
isObjectTypeProperty
assertObjectTypeProperty
isQualifiedTypeIdentifier
assertQualifiedTypeIdentifier
isUnionTypeAnnotation
assertUnionTypeAnnotation
isVoidTypeAnnotation
assertVoidTypeAnnotation
isJSXAttribute
assertJSXAttribute
isJSXClosingElement
assertJSXClosingElement
isJSXElement
assertJSXElement
isJSXEmptyExpression
assertJSXEmptyExpression
isJSXExpressionContainer
assertJSXExpressionContainer
isJSXIdentifier
assertJSXIdentifier
isJSXMemberExpression
assertJSXMemberExpression
isJSXNamespacedName
assertJSXNamespacedName
isJSXOpeningElement
assertJSXOpeningElement
isJSXSpreadAttribute
assertJSXSpreadAttribute
isNoop
assertNoop
isParenthesizedExpression
assertParenthesizedExpression
isAwaitExpression
assertAwaitExpression
isBindExpression
assertBindExpression
isComprehensionBlock
assertComprehensionBlock
isComprehensionExpression
assertComprehensionExpression
isDecorator
assertDecorator
isDoExpression
assertDoExpression
isSpreadProperty
assertSpreadProperty
FLIPPED_ALIAS_KEYS
EXPRESSION_TYPES
isExpression
assertExpression
BINARY_TYPES
isBinary
assertBinary
SCOPABLE_TYPES
isScopable
assertScopable
BLOCKPARENT_TYPES
isBlockParent
assertBlockParent
BLOCK_TYPES
isBlock
assertBlock
STATEMENT_TYPES
isStatement
assertStatement
TERMINATORLESS_TYPES
isTerminatorless
assertTerminatorless
COMPLETIONSTATEMENT_TYPES
isCompletionStatement
assertCompletionStatement
LOOP_TYPES
isLoop
assertLoop
WHILE_TYPES
isWhile
assertWhile
FOR_TYPES
isFor
assertFor
FORXSTATEMENT_TYPES
isForXStatement
assertForXStatement
FUNCTION_TYPES
isFunction
assertFunction
FUNC_TYPES
isFunc
assertFunc
FUNCTIONPARENT_TYPES
isFunctionParent
assertFunctionParent
PURE_TYPES
isPure
assertPure
DECLARATION_TYPES
isDeclaration
assertDeclaration
USERWHITESPACABLE_TYPES
isUserWhitespacable
assertUserWhitespacable
UNARYLIKE_TYPES
isUnaryLike
assertUnaryLike
PATTERN_TYPES
isPattern
assertPattern
CLASS_TYPES
isClass
assertClass
MODULEDECLARATION_TYPES
isModuleDeclaration
assertModuleDeclaration
EXPORTDECLARATION_TYPES
isExportDeclaration
assertExportDeclaration
MODULESPECIFIER_TYPES
isModuleSpecifier
assertModuleSpecifier
FLOW_TYPES
isFlow
assertFlow
FLOWBASEANNOTATION_TYPES
isFlowBaseAnnotation
assertFlowBaseAnnotation
FLOWDECLARATION_TYPES
isFlowDeclaration
assertFlowDeclaration
JSX_TYPES
isJSX
assertJSX
IMMUTABLE_TYPES
isImmutable
assertImmutable
TYPES
ArrayExpression
arrayExpression
AssignmentExpression
assignmentExpression
BinaryExpression
binaryExpression
BlockStatement
blockStatement
BreakStatement
breakStatement
CallExpression
callExpression
CatchClause
catchClause
ConditionalExpression
conditionalExpression
ContinueStatement
continueStatement
DebuggerStatement
debuggerStatement
DoWhileStatement
doWhileStatement
EmptyStatement
emptyStatement
ExpressionStatement
expressionStatement
File
file
ForInStatement
forInStatement
ForStatement
forStatement
FunctionDeclaration
functionDeclaration
FunctionExpression
functionExpression
Identifier
identifier
IfStatement
ifStatement
LabeledStatement
labeledStatement
Literal
literal
LogicalExpression
logicalExpression
MemberExpression
memberExpression
NewExpression
newExpression
ObjectExpression
objectExpression
Program
program
Property
property
RestElement
restElement
ReturnStatement
returnStatement
SequenceExpression
sequenceExpression
SwitchCase
switchCase
SwitchStatement
switchStatement
ThisExpression
thisExpression
ThrowStatement
throwStatement
TryStatement
tryStatement
UnaryExpression
unaryExpression
UpdateExpression
updateExpression
VariableDeclaration
variableDeclaration
VariableDeclarator
variableDeclarator
WhileStatement
whileStatement
WithStatement
withStatement
AssignmentPattern
assignmentPattern
ArrayPattern
arrayPattern
ArrowFunctionExpression
arrowFunctionExpression
ClassBody
classBody
ClassDeclaration
classDeclaration
ClassExpression
classExpression
ExportAllDeclaration
exportAllDeclaration
ExportDefaultDeclaration
exportDefaultDeclaration
ExportNamedDeclaration
exportNamedDeclaration
ExportDefaultSpecifier
exportDefaultSpecifier
ExportNamespaceSpecifier
exportNamespaceSpecifier
ExportSpecifier
exportSpecifier
ForOfStatement
forOfStatement
ImportDeclaration
importDeclaration
ImportDefaultSpecifier
importDefaultSpecifier
ImportNamespaceSpecifier
importNamespaceSpecifier
ImportSpecifier
importSpecifier
MetaProperty
metaProperty
MethodDefinition
methodDefinition
ObjectPattern
objectPattern
SpreadElement
spreadElement
Super
super
TaggedTemplateExpression
taggedTemplateExpression
TemplateElement
templateElement
TemplateLiteral
templateLiteral
YieldExpression
yieldExpression
AnyTypeAnnotation
anyTypeAnnotation
ArrayTypeAnnotation
arrayTypeAnnotation
BooleanTypeAnnotation
booleanTypeAnnotation
BooleanLiteralTypeAnnotation
booleanLiteralTypeAnnotation
ClassImplements
classImplements
ClassProperty
classProperty
DeclareClass
declareClass
DeclareFunction
declareFunction
DeclareModule
declareModule
DeclareVariable
declareVariable
FunctionTypeAnnotation
functionTypeAnnotation
FunctionTypeParam
functionTypeParam
GenericTypeAnnotation
genericTypeAnnotation
InterfaceExtends
interfaceExtends
InterfaceDeclaration
interfaceDeclaration
IntersectionTypeAnnotation
intersectionTypeAnnotation
MixedTypeAnnotation
mixedTypeAnnotation
NullableTypeAnnotation
nullableTypeAnnotation
NumberLiteralTypeAnnotation
numberLiteralTypeAnnotation
NumberTypeAnnotation
numberTypeAnnotation
StringLiteralTypeAnnotation
stringLiteralTypeAnnotation
StringTypeAnnotation
stringTypeAnnotation
TupleTypeAnnotation
tupleTypeAnnotation
TypeofTypeAnnotation
typeofTypeAnnotation
TypeAlias
typeAlias
TypeAnnotation
typeAnnotation
TypeCastExpression
typeCastExpression
TypeParameterDeclaration
typeParameterDeclaration
TypeParameterInstantiation
typeParameterInstantiation
ObjectTypeAnnotation
objectTypeAnnotation
ObjectTypeCallProperty
objectTypeCallProperty
ObjectTypeIndexer
objectTypeIndexer
ObjectTypeProperty
objectTypeProperty
QualifiedTypeIdentifier
qualifiedTypeIdentifier
UnionTypeAnnotation
unionTypeAnnotation
VoidTypeAnnotation
voidTypeAnnotation
JSXAttribute
jSXAttribute
JSXClosingElement
jSXClosingElement
JSXElement
jSXElement
JSXEmptyExpression
jSXEmptyExpression
JSXExpressionContainer
jSXExpressionContainer
JSXIdentifier
jSXIdentifier
JSXMemberExpression
jSXMemberExpression
JSXNamespacedName
jSXNamespacedName
JSXOpeningElement
jSXOpeningElement
JSXSpreadAttribute
jSXSpreadAttribute
Noop
noop
ParenthesizedExpression
parenthesizedExpression
AwaitExpression
awaitExpression
BindExpression
bindExpression
ComprehensionBlock
comprehensionBlock
ComprehensionExpression
comprehensionExpression
Decorator
decorator
DoExpression
doExpression
SpreadProperty
spreadProperty
getBindingIdentifiers
isBinding
isReferenced
isValidIdentifier
isLet
isBlockScoped
isVar
isSpecifierDefault
isScope
toComputedKey
toSequenceExpression
toKeyAlias
toIdentifier
toBindingIdentifierName
toStatement
toExpression
toBlock
valueToNode
createUnionTypeAnnotation
removeTypeDuplicates
createTypeAnnotationBasedOnTypeof
@joshblack did you find any documentation for some of these types?