procedure output is "any"

type Client = {
    register: {
        mutate: Resolver<{
            input: {
                name: string;
                email: string;
                password: string;
            };
            output: any;
            errorShape: DefaultErrorShape;
            transformer: false;
        }>;
    };
    login: {
        ...;
    };
    ... 22 more ...;
    candidateDocuments: {
        ...;
    };
}

export const register = publicProcedure
    .input(
        z.object({
            name: z.string(),
            email: z.string(),
            password: z.string(),
        })
    )
    .output(z.boolean())
    .mutation(async ({ input: { name, email, password } }) => {
// ------
    });