import ts from 'typescript';
declare type HeritageClausableNode = ts.Node & {
    readonly heritageClauses?: ts.NodeArray<ts.HeritageClause>;
};
export declare function getHeritageClauses(node: HeritageClausableNode): readonly ts.HeritageClause[];
export declare function getHeritageClauseByKind(node: HeritageClausableNode, kind: ts.SyntaxKind.ExtendsKeyword | ts.SyntaxKind.ImplementsKeyword): ts.HeritageClause | undefined;
export declare function getHeritageClauseByKindOrThrow(node: HeritageClausableNode, kind: ts.SyntaxKind.ExtendsKeyword | ts.SyntaxKind.ImplementsKeyword): ts.HeritageClause;
export declare function getTypeNodes(node: ts.HeritageClause): readonly ts.ExpressionWithTypeArguments[];
export declare function getToken(node: ts.HeritageClause): ts.SyntaxKind.ExtendsKeyword | ts.SyntaxKind.ImplementsKeyword;
export declare function isExtends(node: ts.HeritageClause): boolean;
export declare function isImplements(node: ts.HeritageClause): boolean;
export {};