moryAllocatorDump(containerMemoryDump, fullName, opt_guid) {
    this.fullName = fullName;
    this.parent = undefined;
    this.children = [];

    // String -> Scalar.
    this.numerics = {};

    // String -> string.
    this.diagnostics = {};

    // The associated container memory dump.
    this.containerMemoryDump = containerMemoryDump;

    // Ownership relationship between memory allocator dumps.
    this.owns = undefined;
    this.ownedBy = [];

    // Map from sibling dumps (other children of this