@polkadot/types/interfaces/aura/runtime.js

Implementation of the Parity codec

export const runtime = {
    AuraApi: [
        {
            methods: {
                authorities: {
                    description: 'Return the current set of authorities.',
                    params: [],
                    type: 'Vec<AuthorityId>'
                },
                slot_duration: {
                    description: 'Returns the slot duration for Aura.',
                    params: [],
                    type: 'SlotDuration'
                }
            },
            version: 1
        }
    ]
};