findJSDocComment = astNode => {
			const tokenBefore = this.getTokenBefore(astNode, {
				includeComments: true,
			});

			if (
				tokenBefore &&
				isCommentToken(tokenBefore) &&
				tokenBefore.type === "Block" &&
				tokenBefore.value.charAt(0) === "*" &&
				astNode.loc.start.line - tokenBefore.loc.end.line <= 1
			) {
				return tokenBefore;
			}

			return null;
		}
Checks for the presence of a JSDoc comment for the given node and returns it.
@param {ASTNode} astNode The AST node to get the comment for.
@returns {Token|null} The Block comment token containing the JSDoc comment
     for the given node or null if not found.
@private