import { TreeVisitor } from "../visitor";
import { SourceFile } from "../tree";
import { Yaml } from "./tree";
export declare class YamlVisitor<P> extends TreeVisitor<Yaml, P> {
    isAcceptable(sourceFile: SourceFile): Promise<boolean>;
    protected visitDocuments(documents: Yaml.Documents, p: P): Promise<Yaml | undefined>;
    protected visitDocument(document: Yaml.Document, p: P): Promise<Yaml | undefined>;
    protected visitDirective(directive: Yaml.Directive, p: P): Promise<Yaml | undefined>;
    protected visitDocumentEnd(end: Yaml.DocumentEnd, p: P): Promise<Yaml | undefined>;
    protected visitMapping(mapping: Yaml.Mapping, p: P): Promise<Yaml | undefined>;
    protected visitMappingEntry(entry: Yaml.MappingEntry, p: P): Promise<Yaml | undefined>;
    protected visitScalar(scalar: Yaml.Scalar, p: P): Promise<Yaml | undefined>;
    protected visitSequence(sequence: Yaml.Sequence, p: P): Promise<Yaml | undefined>;
    protected visitSequenceEntry(entry: Yaml.SequenceEntry, p: P): Promise<Yaml | undefined>;
    protected visitAnchor(anchor: Yaml.Anchor, p: P): Promise<Yaml | undefined>;
    protected visitAlias(alias: Yaml.Alias, p: P): Promise<Yaml | undefined>;
    protected visitTag(tag: Yaml.Tag, p: P): Promise<Yaml | undefined>;
    protected accept(t: Yaml, p: P): Promise<Yaml | undefined>;
}
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