How to use the fabric-protos.common.Consortium function in fabric-protos

readValues.Consortium = new common.ConfigValue();

        const readAppGroup = {};
        for (const mspId of channelObject.msps) {
            readAppGroup[mspId] = new common.ConfigGroup();
        }
        const readGroups = {};
        readGroups.Application = new common.ConfigGroup({ groups: readAppGroup });

        const readSet = new common.ConfigGroup({ version: readVersion, groups: readGroups, values: readValues });

        // Build the writeSet (based on consortium name and passed Capabiliites)
        const modPolicy = 'Admins';
        const writeValues = {};

        const consortium = new common.Consortium({ name: channelObject.consortium });
        writeValues.Consortium = new common.ConfigValue({ version: writeVersion, value: consortium.toBuffer() });

        if (channelObject.capabilities) {
            const capabilities = this._populateCapabilities(channelObject.capabilities);
            writeValues.Capabilities = new common.ConfigValue({ version: writeVersion, value: capabilities.toBuffer(), mod_policy: modPolicy });
        }

        // Write Policy
        const writePolicies = this._generateWritePolicy(policyVersion, modPolicy);

        // Write Application Groups
        const writeAppGroup = {};
        for (const mspId of channelObject.msps) {
            writeAppGroup[mspId] = new common.ConfigGroup();
        }

readValues.Consortium = new common.ConfigValue();

    const readAppGroup = {};
    for (const mspId of mspIds) {
        readAppGroup[mspId] = new common.ConfigGroup();
    }
    const readGroups = {};
    readGroups.Application = new common.ConfigGroup({ groups: readAppGroup });

    const readSet = new common.ConfigGroup({ version: readVersion, groups: readGroups, values: readValues });

    // Build the writeSet (based on consortium name and passed Capabiliites)
    const modPolicy = 'Admins';
    const writeValues = {};

    const consortium = new common.Consortium({ name: consortiumName });
    writeValues.Consortium = new common.ConfigValue({ version: writeVersion, value: consortium.toBuffer() });

    if (applicationCapabilities) {
        const capabilities = populateCapabilities(applicationCapabilities);
        writeValues.Capabilities = new common.ConfigValue({ version: writeVersion, value: capabilities.toBuffer(), mod_policy: modPolicy });
    }

    // Write Policy
    const writePolicies = generateWritePolicy(policyVersion, modPolicy);

    // Write Application Groups
    const writeAppGroup = {};
    for (const mspId of mspIds) {
        writeAppGroup[mspId] = new common.ConfigGroup();
    }