@Nonnull
	@Override
	protected String toText() {
		String owner = this.owner;
		String methodName = this.methodName;
		String methodDesc = Objects.toString(this.methodDesc);
		String variableName = this.variableName;
		String variableDesc = this.variableDesc;
		StringBuilder builder = new StringBuilder(owner.length() + methodName.length() +
				methodDesc.length() + variableName.length() + 5);
		builder.append(owner).append('\t');
		builder.append(methodName).append('\t');
		builder.append(methodDesc).append('\t');
		builder.append(variableName);
		if (variableDesc != null) {
			builder.append('\t').append(variableDesc);
		}
		return builder.toString();
	}
@param owner
		Class name.
@param methodName
		Method name.
@param methodDesc
		Method descriptor.
@param variableName
		Variable name.
@param variableDesc
		Variable descriptor.
recaf-core/src/main/java/software/coley/recaf/services/mapping/data/VariableMappingKey.java