public SchemaBuilder removeElementSchema(String index) {
		if (index.equals("")) {
			return setDefaultElementSchema(PrimitiveTraceObjectSchema.OBJECT.getName());
		}
		elementSchemas.remove(index);
		elementOrigins.remove(index);
		return this;
	}
Define the schema for a child element

@param index the index whose schema to define, or "" for the default
@param schema the schema defining the element
@param origin optional, for diagnostics, an object describing the element schema's origin
@return this builder
Ghidra/Debug/Framework-TraceModeling/src/main/java/ghidra/trace/model/target/schema/SchemaBuilder.java