from typing import Any
from yaml.error import Mark, YAMLError, MarkedYAMLError
from yaml.nodes import Node, ScalarNode, CollectionNode, SequenceNode, MappingNode

class ComposerError(MarkedYAMLError): ...

class Composer:
    anchors = ...  # type: Any
    def __init__(self) -> None: ...
    def check_node(self): ...
    def get_node(self): ...
    def get_single_node(self): ...
    def compose_document(self): ...
    def compose_node(self, parent, index): ...
    def compose_scalar_node(self, anchor): ...
    def compose_sequence_node(self, anchor): ...
    def compose_mapping_node(self, anchor): ...